138847475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2621}}^1$

素因数の和:2807

約数の個数: 24

約数和(自身を含む): 186623472

約数和(自身を除く): 47775997

約数列:

[1, 5, 13, 25, 65, 163, 325, 815, 2119, 2621, 4075, 10595, 13105, 34073, 52975, 65525, 170365, 427223, 851825, 2136115, 5553899, 10680575, 27769495, 138847475]

約数ペア:

[(1, 138847475), (5, 27769495), (13, 10680575), (25, 5553899), (65, 2136115), (163, 851825), (325, 427223), (815, 170365), (2119, 65525), (2621, 52975), (4075, 34073), (10595, 13105)]