N = int(input())
yakusu = []
for i in range(1, int(N ** 0.5) + 3):
    if N % i == 0:
        yakusu.append(i)
        if i != N // i:
            yakusu.append(N // i)
X = set()
for d in yakusu:
    X.add(str(d) + str(N // d))
print(len(X))