Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
listA = list(map(int,input().split()))[::-1]

def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)

    # divisors.sort()
    return divisors

# Nの倍数の数を格納する辞書
baisuu = {i:0 for i in range(1,N+1)}
M=0
out_list=[]

a=listA

half=N//2

for i,ai in enumerate(a):
    now_index=N-i
    if now_index > half:
        if ai==1:
            soinsuu = make_divisors(now_index)
            out_list.append(now_index)
            M+=1
            for so in soinsuu:
                baisuu[so]+=1
    else:
        if baisuu[now_index]%2!=ai:
            out_list.append(now_index)
            M+=1
            soinsuu = make_divisors(now_index)
            for so in soinsuu:
                baisuu[so]+=1

print(M)
if M>0:
    out_list=sorted(out_list)
    print(" ".join(list(map(str, out_list))))

Fixed submission:
N=int(input())
a = list(map(int,input().split()))[::-1]

def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)

    # divisors.sort()
    return divisors

# Nの倍数の数を格納する辞書
baisuu = {i:0 for i in range(1,N+1)}
M=0
out_list=[]

half=N//2

for i,ai in enumerate(a):
    now_index=N-i
    if now_index > half:
        if ai==1:
            soinsuu = make_divisors(now_index)
            out_list.append(now_index)
            M+=1
            for so in soinsuu:
                baisuu[so]+=1
    else:
        if baisuu[now_index]%2!=ai:
            out_list.append(now_index)
            M+=1
            soinsuu = make_divisors(now_index)
            for so in soinsuu:
                baisuu[so]+=1

print(M)
if M>0:
    out_list=sorted(out_list)
    print(" ".join(list(map(str, out_list))))

Buggy python submission (verdict: Runtime Error):
# Nの倍数の数を格納する辞書
baisuu = {i:0 for i in range(1,N+1)}
M=0
out_list=[]

a=listA

half=N//2

for i,ai in enumerate(a):
    now_index=N-i
    if now_index > half:
        if ai==1:
            soinsuu = factorization(now_index)
            out_list.append(now_index)
            M+=1
            for so in soinsuu:
                baisuu[so]+=1
    else:
        if baisuu[now_index]%2!=int(ai):
            out_list.append(now_index)
            M+=1
            soinsuu = factorization(now_index)
            for so in soinsuu:
                baisuu[so]+=1

print(M)
if M>0:
    out_list=sorted(out_list)
    print(" ".join(list(map(str, out_list))))

Fixed submission:
N=int(input())
a = list(map(int,input().split()))[::-1]

def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)

    # divisors.sort()
    return divisors

# Nの倍数の数を格納する辞書
baisuu = {i:0 for i in range(1,N+1)}
M=0
out_list=[]

half=N//2

for i,ai in enumerate(a):
    now_index=N-i
    if now_index > half:
        if ai==1:
            soinsuu = make_divisors(now_index)
            out_list.append(now_index)
            M+=1
            for so in soinsuu:
                baisuu[so]+=1
    else:
        if baisuu[now_index]%2!=ai:
            out_list.append(now_index)
            M+=1
            soinsuu = make_divisors(now_index)
            for so in soinsuu:
                baisuu[so]+=1

print(M)
if M>0:
    out_list=sorted(out_list)
    print(" ".join(list(map(str, out_list))))