# -*- coding: utf-8 -*-

N = int(input())

i = 1
ans = {}
while i*i<=N:
    if N%i==0:
        q = N//i
        id_1 = str(i) + str(q)
        id_2 = str(q) + str(i)
        ans[id_1] = 1
        ans[id_2] = 1
    i += 1

print(len(ans))