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Is 2856 a perfect number? [SOLVED]

Answer


2856 is not perfect because:

1 + 2 + 3 + 4 + 6 + 7 + 8 + 12 + 14 + 17 + 21 + 24 + 28 + 34 + 42 + 51 + 56 + 68 + 84 + 102 + 119 + 136 + 168 + 204 + 238 + 357 + 408 + 476 + 714 + 952 + 1428 2856
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