# -*- coding: utf-8 -*-
"""
No.537 ユーザーID
https://yukicoder.me/problems/no/537

"""
import sys
from sys import stdin
input = stdin.readline


def calc_divisors(N):
    res = []
    for i in range(1, int(N**0.5) + 1):
        if N % i == 0:
            res.append([i, N//i])
            if N // i != i:
                res.append([N//i, i])
    return res


def main(args):
    N = int(input())
    res = calc_divisors(N)
    ans = set()
    for a, b in res:
        ans.add(str(a)+str(b))
    print(len(ans))


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