How many factors of ********** are perfect squares?

Answer 1

16

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********** = 2 × 2 × 2 × 3 × 3 × 11 × 11 × 17 × 31 × 31 × 31
1^2-->2^2-->3^2-->(2*3)^2-->11^2-->(2*11)^2-->(3*11)^2-->(2*3*11)^2-->31^2-->(2*31)^2-->(3*31)^2-->(11*31)^2-->(2*3*31)^2-->(2*11*31)^2-->(3*11*31)^2-->(2*3*11*31)^2---- in total 16