Question

You are given an integer sequence A1,A2.... AN. Let's define the useful number of a sub
sequence of A as the number of distinct primes p such that p divides each member of the
sub sequence, multiplied by the length of the sub sequence. Find the maximum of useful
numbers of all sub sequences of A.
Input format​

Answer 1

Answer:

the symbols of A are 2 qebgvjnvbm