#include <fstream>
#include <vector>
#include <algorithm>
#include <unordered_map>

#define N 4095

using namespace std;

ifstream f ( "desc.in" );
ofstream g ( "desc.out" );

unordered_map < long long, int > h;
int d[N][N];
long long n, k, v[N], dv;

int main()
{   int l = 0, i, j;
    f >> n >> k;
    for ( dv = 1; dv * dv < n; dv++ ){
        if ( n % dv == 0 ){
            v[++l] = dv;
            v[++l] = n / dv;
        }
    }
    if ( dv * dv == n )
        v[++l] = dv;
    sort ( v + 1, v + l + 1 );
    for ( i = 1; i <= l; i++ )
        h[v[i]] = i;
    d[1][1] = 1;
    for ( i = 2; i <= l; i++ ){
        d[i][i] = 1;
        for ( j = i - 1; j >= 2; j-- ){
            d[i][j] = d[i][j + 1];
            if ( v[i] % v[j] == 0 ){
                dv = v[i] / v[j];
                int poz = h[dv];
                d[i][j] += d[poz][j];
            }
        }
        d[i][1] = d[i][2];
    }
    g << d[l][1] << '\n';
    k = l - k + 1;
    int line = l;
    long long num = n;
    while ( num > 1 ){
        for ( i = line; i >= 1; i-- ){
            if ( d[line][i] >= k )
                break;
        }
        g << v[i] << ' ';
        k -= d[line][i + 1];
        num = num / v[i];
        line = h[num];
    }
    return 0;
}