389940211

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1997}}^1$

素因数の和:2298

約数の個数: 16

約数和(自身を含む): 421977600

約数和(自身を除く): 32037389

約数列:

[1, 19, 43, 239, 817, 1997, 4541, 10277, 37943, 85871, 195263, 477283, 1631549, 9068377, 20523169, 389940211]

約数ペア:

[(1, 389940211), (19, 20523169), (43, 9068377), (239, 1631549), (817, 477283), (1997, 195263), (4541, 85871), (10277, 37943)]