DE-BUNDESWETTBEWERB 2013 Problem 5

Suppose $m$ and $n$ are positive integers such that $m^2+n^2+m$ is divisible by $mn$ . Prove that $m$ is a square number.

Dataset text AI-MO AoPS. Quoted with source.

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.