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Is 4004 a perfect number? [SOLVED]

Answer


4004 is not perfect because:

1 + 2 + 4 + 7 + 11 + 13 + 14 + 22 + 26 + 28 + 44 + 52 + 77 + 91 + 143 + 154 + 182 + 286 + 308 + 364 + 572 + 1001 + 2002 4004
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