But since 506 is not a perfect square and has only 8 positive divisors, the number of integer solutions \((m, n)\) with \(mn = 506\) is exactly 16: for each divisor \(m\), \(n = 506/m\), and there are 16 such ordered pairs (including negatives).

Fri, 17 Apr 2026 00:24:53 +0000

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