import sys
# input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################


"""

5 * 12 + 5 = 5 * 2 + 5 * 4 + 5 * 6 + 5


LCM = X
X の約数を

60 = 

"""

m = 720
a = []
for i in range(1, m):
    if m % i == 0:
        a.append(i)
a = a[::-1]
n = len(a)
dp = [0] * (n + 1)
dp[0] = 1
for i in range(n):
    dp[i+1] = dp[i] | (dp[i] << a[i])

X = m
ans = []
assert dp[-1] >> X & 1
for i in range(n-1, -1, -1):
    if X - a[i] >= 0 and (dp[i] >> (X - a[i]) & 1):
        X -= a[i]
        ans.append(a[i])

ans.append(m)
print(len(ans))
print(*ans)