353777473

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{139999}}^1$

素因数の和:140044

約数の個数: 12

約数和(自身を含む): 426720000

約数和(自身を除く): 72942527

約数列:

[1, 7, 19, 133, 361, 2527, 139999, 979993, 2659981, 18619867, 50539639, 353777473]

約数ペア:

[(1, 353777473), (7, 50539639), (19, 18619867), (133, 2659981), (361, 979993), (2527, 139999)]