#include<bits/stdc++.h>
using namespace std;
using ll = long long;

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << endl
#define p_yes() p("Yes")
#define p_no() p("No")

const ll mod = 1e9 + 7;
const ll inf = 1e18;

template < typename T >
void vprint(T &V){
	for(auto v : V){
    	cout << v << " ";
	}
	cout << endl;
}

bool isPrime(ll n){
    if (n < 2) return false;
    else if (n == 2) return true;
    else if (n % 2 == 0) return false;

    double sqrtNum = sqrt(n);
    for (ll i=3; i<=sqrtNum; i+=2){
        if (n%i == 0){
            return false;
        }
    }
    return true;
}

map<ll, ll> factorize(ll n){
    map<ll, ll> mp;
    ll sq = sqrt(n);
    FOR(i, 2, sq+1){
        while(n%i==0){
            mp[i]++;
            n/=i;
        }
    }

    // 残り
    if(n!=1){
        mp[n]++;
    }

    return mp;
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    // input
    ll N, K;
    cin >> N >> K;

    if(isPrime(N)){
        p(1);
        return 0;
    }
    
    auto mp = factorize(N);
    vector<ll> A;
    for(auto p : mp){
        A.push_back(p.first);
    }
    ll yaku = A[0];
    p(N/yaku);
    
    return 0;
}