#!/usr/bin/env pypy


import math


def count_xs(n):
    xs = set()
    for i in range(1, math.floor(math.sqrt(n)) + 1):
        j, m = divmod(n, i)
        if m == 0:
            xs.add(str(i) + str(j))
            xs.add(str(j) + str(i))
    return len(xs)


def main():
    print(count_xs(int(input())))


if __name__ == '__main__':
    main()