题解 | #质数因子#

import math
n = int(input())
if n == 1 or n == 2:
    print(n)
else:
    for i in range(2, int(math.sqrt(n))+1):
        while n % i == 0:
            print(i, end=' ')
            n = n // i
    if n > 2:
        print(n)