648000002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{47837}}^1$

素因数の和:48373

約数の個数: 16

約数和(自身を含む): 1048800312

約数和(自身を除く): 400800310

約数列:

[1, 2, 13, 26, 521, 1042, 6773, 13546, 47837, 95674, 621881, 1243762, 24923077, 49846154, 324000001, 648000002]

約数ペア:

[(1, 648000002), (2, 324000001), (13, 49846154), (26, 24923077), (521, 1243762), (1042, 621881), (6773, 95674), (13546, 47837)]