579039668

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{400997}}^1$

素因数の和:401039

約数の個数: 18

約数和(自身を含む): 1069461666

約数和(自身を除く): 490421998

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 400997, 801994, 1603988, 7618943, 15237886, 30475772, 144759917, 289519834, 579039668]

約数ペア:

[(1, 579039668), (2, 289519834), (4, 144759917), (19, 30475772), (38, 15237886), (76, 7618943), (361, 1603988), (722, 801994), (1444, 400997)]