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2 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) Take any perfect number N (in this case, it does not matter if N is even or odd). Sum the reciprocals of all factors of N, including 1 and N itself. The result will always be exactly 2, regardless of the choice of N. [Rupinski]
Submitted: 2003-06-27 15:10:58; Last Modified: 2008-01-30 11:28:00.
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