128520292

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{17377}}^1$

素因数の和:17467

約数の個数: 18

約数和(自身を含む): 230275878

約数和(自身を除く): 101755586

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 17377, 34754, 69508, 747211, 1494422, 2988844, 32130073, 64260146, 128520292]

約数ペア:

[(1, 128520292), (2, 64260146), (4, 32130073), (43, 2988844), (86, 1494422), (172, 747211), (1849, 69508), (3698, 34754), (7396, 17377)]