n = int(input())
pair = []
ans = set()
for i in range(1, n+1):
  if n % i == 0:
    pair.append([int(n/i), i])

for i in pair:
  ans.add(str(i[0]) + str(i[1]))
  ans.add(str(i[1]) + str(i[0]))

print(len(ans))