def divisorslist(n):
    divisors = []
    i = 1
    while i*i <= n:
        if n % i == 0:
            divisors.append(str(i)+str(n//i))
            divisors.append(str(n//i)+str(i))
        i += 1
    return len(set(divisors))

print(divisorslist(int(input())))