220197617

素因数分解:

${\mathrm{17}}^1\times {\mathrm{59}}^2\times {\mathrm{61}}^2$

素因数の和:257

約数の個数: 18

約数和(自身を含む): 241120854

約数和(自身を除く): 20923237

約数列:

[1, 17, 59, 61, 1003, 1037, 3481, 3599, 3721, 59177, 61183, 63257, 212341, 219539, 3609797, 3732163, 12952801, 220197617]

約数ペア:

[(1, 220197617), (17, 12952801), (59, 3732163), (61, 3609797), (1003, 219539), (1037, 212341), (3481, 63257), (3599, 61183), (3721, 59177)]