A Piece of the Pi: mathematics explained

A Piece of the Pi: mathematics explained

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A Piece of the Pi: mathematics explained
A Piece of the Pi: mathematics explained
Multiply-perfect numbers

Multiply-perfect numbers

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Richard Green
Sep 20, 2015
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A Piece of the Pi: mathematics explained
A Piece of the Pi: mathematics explained
Multiply-perfect numbers
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Multiply-perfect numbers

A number n is said to be perfect if the sum of the divisors of n is 2n, and it is said to be k-perfect, or multiply-perfect, if the sum of the divisors of n is kn. For example…

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