class Input_kyopro:
    def II(self): return int(input())
    def MI(self): return map( int,input().split())
    def MS(self): return map(str,input().split())
    def LMI(self): return list(self.MI())
    def LMS(self): return list(self.MS())
    def LLI(self,N): return [self.LMI() for _ in range(N)]
    def LLS(self,N): return [self.LMS() for _ in range(N)]
    def LS(self,N): return [input() for _ in range(N)]
    def LSL(self,N): return [list(input()) for _ in range(N)]
    def LI(self,N): return [self.II() for _ in range(N)]
I=Input_kyopro()
#入力
def yakusuurekkyo(N):
    n=int(N**(1/2))
    ans=set()
    for i in range(1,n+1):
        if N%i==0:
            ans.add(i)
            ans.add(N//i)
    ans=sorted(list(ans))
    return ans
N=I.II()
p=yakusuurekkyo(N)
print(N-len(p))