388341779

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 471098880

約数和(自身を除く): 82757101

約数列:

[1, 7, 19, 133, 239, 361, 643, 1673, 2527, 4501, 4541, 12217, 31787, 85519, 86279, 153677, 232123, 603953, 1075739, 1624861, 2919863, 20439041, 55477397, 388341779]

約数ペア:

[(1, 388341779), (7, 55477397), (19, 20439041), (133, 2919863), (239, 1624861), (361, 1075739), (643, 603953), (1673, 232123), (2527, 153677), (4501, 86279), (4541, 85519), (12217, 31787)]