261431491

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{6389}}^1$

素因数の和:6518

約数の個数: 16

約数和(自身を含む): 289850400

約数和(自身を除く): 28418909

約数列:

[1, 17, 29, 83, 493, 1411, 2407, 6389, 40919, 108613, 185281, 530287, 3149777, 9014879, 15378323, 261431491]

約数ペア:

[(1, 261431491), (17, 15378323), (29, 9014879), (83, 3149777), (493, 530287), (1411, 185281), (2407, 108613), (6389, 40919)]