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Divisors' sum = square (Posted on 2019-05-27) Difficulty: 2 of 5
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)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(2): NumbersBrent Nagle2023-03-09 01:53:26
Some ThoughtsPuzzle ThoughtsK Sengupta2022-06-17 00:25:14
Amazing!Daniel Perez2019-07-08 06:49:50
Great! Daniel Perez2019-07-08 06:47:07
re(2): Numberstonny ken2019-06-29 01:24:11
re: NumbersManuel Rigley2019-06-06 13:56:53
re: NumbersManuel Rigley2019-06-06 13:54:55
SequenceJer2019-05-28 10:08:56
Solutioncomputer solutionCharlie2019-05-27 15:54:32
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