show that the number 8,128 is a perfect numbert
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Yes, 8128 is a perfect number, that is to day 8128 equals the sum of its proper positive divisors, i.e., the sum of its divisors excluding 8128 itself. Indeed, 8128 = 1 + 2 + 4 + 8 + 16 + 32 + 64 + 127 + 254 + 508 + 1 016 + 2 032 + 4 064. ... Then, the next perfect number is already 33 550 336!
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As a perfect number , it is tied to the mersenne prime ,
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