398326370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1237}}^1\times {\mathrm{2477}}^1$

素因数の和:3734

約数の個数: 32

約数和(自身を含む): 773076528

約数和(自身を除く): 374750158

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1237, 2474, 2477, 4954, 6185, 12370, 12385, 16081, 24770, 32162, 32201, 64402, 80405, 160810, 161005, 322010, 3064049, 6128098, 15320245, 30640490, 39832637, 79665274, 199163185, 398326370]

約数ペア:

[(1, 398326370), (2, 199163185), (5, 79665274), (10, 39832637), (13, 30640490), (26, 15320245), (65, 6128098), (130, 3064049), (1237, 322010), (2474, 161005), (2477, 160810), (4954, 80405), (6185, 64402), (12370, 32201), (12385, 32162), (16081, 24770)]