# -*- coding: utf-8 -*-
"""
No.537 ユーザーID
https://yukicoder.me/problems/no/537
AC
"""
import sys
from sys import stdin
input = stdin.readline


def calc_divisors(N):
    res = set()
    for i in range(1, int(N**0.5) + 1):
        if N % i == 0:
            res.add(str(i) + str(N//i))
            res.add(str(N//i) + str(i))
    return res


def main(args):
    N = int(input())
    ans = calc_divisors(N)
    print(len(ans))


if __name__ == '__main__':
    main(sys.argv[1:])