389637787

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{12433}}^1$

素因数の和:12499

約数の個数: 24

約数和(自身を含む): 502731488

約数和(自身を除く): 113093701

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 847, 2849, 4477, 12433, 31339, 87031, 136763, 460021, 957341, 1504393, 3220147, 5060231, 10530751, 35421617, 55662541, 389637787]

約数ペア:

[(1, 389637787), (7, 55662541), (11, 35421617), (37, 10530751), (77, 5060231), (121, 3220147), (259, 1504393), (407, 957341), (847, 460021), (2849, 136763), (4477, 87031), (12433, 31339)]