28219529

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 31187520

約数和(自身を除く): 2967991

約数列:

[1, 13, 67, 179, 181, 871, 2327, 2353, 11993, 12127, 32399, 155909, 157651, 421187, 2170733, 28219529]

約数ペア:

[(1, 28219529), (13, 2170733), (67, 421187), (179, 157651), (181, 155909), (871, 32399), (2327, 12127), (2353, 11993)]