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Is 4428 a perfect number? [SOLVED]

Answer


4428 is not perfect because:

1 + 2 + 3 + 4 + 6 + 9 + 12 + 18 + 27 + 36 + 41 + 54 + 82 + 108 + 123 + 164 + 246 + 369 + 492 + 738 + 1107 + 1476 + 2214 4428
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