def div(n):
    lower_divisors , upper_divisors = [], []
    i = 1
    while i*i <= n:
        if n % i == 0:
            lower_divisors.append(i)
            if i != n // i:
                upper_divisors.append(n//i)
        i += 1
    return lower_divisors + upper_divisors[::-1]

n = int(input())
lis = div(n)

s = set([])
for x in lis:
    y = n//x
    s1 = str(x) + str(y)
    s2 = str(y) + str(x)
    s.add(s1)
    s.add(s2)

print(len(s))