398718292895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2029}}^1\times {\mathrm{8971}}^1$

素因数の和:11355

約数の個数: 32

約数和(自身を含む): 517108038720

約数和(自身を除く): 118389745825

約数列:

[1, 5, 13, 65, 337, 1685, 2029, 4381, 8971, 10145, 21905, 26377, 44855, 116623, 131885, 583115, 683773, 3023227, 3418865, 8889049, 15116135, 18202159, 39301951, 44445245, 91010795, 196509755, 236628067, 1183140335, 6134127583, 30670637915, 79743658579, 398718292895]

約数ペア:

[(1, 398718292895), (5, 79743658579), (13, 30670637915), (65, 6134127583), (337, 1183140335), (1685, 236628067), (2029, 196509755), (4381, 91010795), (8971, 44445245), (10145, 39301951), (21905, 18202159), (26377, 15116135), (44855, 8889049), (116623, 3418865), (131885, 3023227), (583115, 683773)]