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


N = int(input())
i = 1
pattern_list = []
while(i <= N//i):
    if N % i == 0:
        pattern_list.append(str(i) + str(N//i))
        pattern_list.append(str(N//i) + str(i))
    i += 1
print(len(set(pattern_list)))