254388550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{391367}}^1$

素因数の和:391392

約数の個数: 24

約数和(自身を含む): 509561136

約数和(自身を除く): 255172586

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 391367, 782734, 1956835, 3913670, 5087771, 9784175, 10175542, 19568350, 25438855, 50877710, 127194275, 254388550]

約数ペア:

[(1, 254388550), (2, 127194275), (5, 50877710), (10, 25438855), (13, 19568350), (25, 10175542), (26, 9784175), (50, 5087771), (65, 3913670), (130, 1956835), (325, 782734), (650, 391367)]