420161716

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{621541}}^1$

素因数の和:621571

約数の個数: 18

約数和(自身を含む): 796195302

約数和(自身を除く): 376033586

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 621541, 1243082, 2486164, 8080033, 16160066, 32320132, 105040429, 210080858, 420161716]

約数ペア:

[(1, 420161716), (2, 210080858), (4, 105040429), (13, 32320132), (26, 16160066), (52, 8080033), (169, 2486164), (338, 1243082), (676, 621541)]