388482479

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{337}}^1\times {\mathrm{1361}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 489818784

約数和(自身を除く): 101336305

約数列:

[1, 7, 11, 77, 121, 337, 847, 1361, 2359, 3707, 9527, 14971, 25949, 40777, 104797, 164681, 285439, 458657, 1152767, 3210599, 5045227, 35316589, 55497497, 388482479]

約数ペア:

[(1, 388482479), (7, 55497497), (11, 35316589), (77, 5045227), (121, 3210599), (337, 1152767), (847, 458657), (1361, 285439), (2359, 164681), (3707, 104797), (9527, 40777), (14971, 25949)]