def get_divisors(n):
    limit = int(n ** 0.5 + 1)
    divisors = []
    for i in range(1, limit):
        if n % i == 0:
            divisors.append(str(i))
            if i * i != n:
                divisors.append(str(n // i))
    divisors.sort()
    return divisors

divisors = get_divisors(int(input()))
result_list = [divisors[i] + divisors[-i-1] for i in range(0, len(divisors))]
print(len(set(result_list)))