65379769

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 82478088

約数和(自身を除く): 17098319

約数列:

[1, 7, 13, 49, 91, 197, 521, 637, 1379, 2561, 3647, 6773, 9653, 17927, 25529, 47411, 102637, 125489, 331877, 718459, 1334281, 5029213, 9339967, 65379769]

約数ペア:

[(1, 65379769), (7, 9339967), (13, 5029213), (49, 1334281), (91, 718459), (197, 331877), (521, 125489), (637, 102637), (1379, 47411), (2561, 25529), (3647, 17927), (6773, 9653)]