import math
import sys


def input(): return sys.stdin.readline().rstrip('\n')


def main():
    s = set()
    n = int(input())
    i = 1
    while i*i <= n:
        if n % i == 0:
            s.add(f'{i}{n//i}')
            s.add(f'{n//i}{i}')
        i += 1

    print(len(s))


if __name__ == '__main__':
    main()