import math

N = int(input().strip())

s = {}

count = 0
for i in range(1, int(math.sqrt(N))+1):
    if N % i == 0 and s.get(i, 0) == 0 and s.get(N//i, 0) == 0:
        s[i] = 1
        count += 2 if i != N//i else 1

print(count)