685173890

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{539507}}^1$

素因数の和:539641

約数の個数: 16

約数和(自身を含む): 1243026432

約数和(自身を除く): 557852542

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 539507, 1079014, 2697535, 5395070, 68517389, 137034778, 342586945, 685173890]

約数ペア:

[(1, 685173890), (2, 342586945), (5, 137034778), (10, 68517389), (127, 5395070), (254, 2697535), (635, 1079014), (1270, 539507)]