28768490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40519}}^1$

素因数の和:40597

約数の個数: 16

約数和(自身を含む): 52513920

約数和(自身を除く): 23745430

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 40519, 81038, 202595, 405190, 2876849, 5753698, 14384245, 28768490]

約数ペア:

[(1, 28768490), (2, 14384245), (5, 5753698), (10, 2876849), (71, 405190), (142, 202595), (355, 81038), (710, 40519)]