import sys; input = sys.stdin.buffer.readline
sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")

def getlist():
	return list(map(int, input().split()))

#処理内容
def main():
	N = int(input())
	D = defaultdict(int)
	for i in range(1, int(N ** 0.5) + 2):
		if N % i == 0:
			a = str(i)
			b = str(int(N // i))
			D[a + b] = 1

	ans = len(D)
	print(ans)

if __name__ == '__main__':
	main()