def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)
    return divisors
s = set()
N = int(input())
for n in make_divisors(N):
    s.add(str(n) + str(N // n))
print(len(s))