import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

import numpy as np

N = int(read())

x = np.arange(1,10**6+10)
div = x[N%x == 0]
div = np.union1d(div, N//div)

se = set(str(x) + str(N//x) for x in div)
answer = len(se)
print(answer)