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Divisors' sum = square (Posted on 2019-05-27)

The number 22 divisors are 1, 2, 11, 22, which add up to 36, a square.
There are 4 more numbers like that below 100.

List them.

See The Solution Submitted by Ady TZIDON

Rating: 3.0000 (2 votes)

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Amazing!

| Comment 7 of 9 |

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Posted by Daniel Perez on 2019-07-08 06:49:50

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