389898355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2417}}^1$

素因数の和:2859

約数の個数: 32

約数和(自身を含む): 584962560

約数和(自身を除く): 195064205

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 419, 2095, 2417, 2933, 4609, 12085, 14665, 16919, 23045, 26587, 32263, 84595, 132935, 161315, 186109, 930545, 1012723, 5063615, 7089061, 11139953, 35445305, 55699765, 77979671, 389898355]

約数ペア:

[(1, 389898355), (5, 77979671), (7, 55699765), (11, 35445305), (35, 11139953), (55, 7089061), (77, 5063615), (385, 1012723), (419, 930545), (2095, 186109), (2417, 161315), (2933, 132935), (4609, 84595), (12085, 32263), (14665, 26587), (16919, 23045)]