JAVA
java
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import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.*;
import java.util.regex.*;
import java.util.stream.*;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;
class Result {
List<Integer> primeFactors = new ArrayList<Integer>();
public static int primefactors(int n){
int res = 1;
int fcount=0;
while(n%2==0){
//res+=2;
fcount += 1;
n/=2;
}
// (1)
int tmpSum=1;
for(int i=1, val=1; i<=fcount; ++i)
{
val *= 2;
tmpSum += val;
}
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