#include <bits/stdc++.h>

using namespace std;
#define all(x) (x).begin(),(x).end()
#define int long long
const int p=998244353;
int po(int a,int b) {if(b==0) return 1; if(b==1) return a; if(b%2==0) {int u=po(a,b/2);return (u*u)%p;} else {int u=po(a,b-1);return (a*u)%p;}}
int inv(int x) {return po(x,p-2);}
int32_t main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n,m;cin>>n>>m;
    vector<int> divs;
    for(int i=1;i<=m;++i)
    {
        if(m%i==0)
        {
            divs.push_back(i);divs.push_back(m/i);
        }
    }
    sort(all(divs));divs.erase(unique(all(divs)),divs.end());
    vector<int> res(divs.size());fill(all(res),0LL);
    int cnt[divs.size()]={0};
    for(int i=0;i<divs.size();++i)
    {
        for(int j=0;j<i;++j)
        {
            if(divs[i]%divs[j]==0) {
            cnt[i]++;res[i]-=res[j];res[i]%=p;
            }
        }
        res[i]+=po(cnt[i]+1,n);res[i]%=p;
    }
    cout<<(res[divs.size()-1]%p+p)%p;
    return 0;
}