13071305

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 17568000

約数和(自身を除く): 4496695

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 499, 845, 2015, 2495, 5239, 6487, 15469, 26195, 32435, 77345, 84331, 201097, 421655, 1005485, 2614261, 13071305]

約数ペア:

[(1, 13071305), (5, 2614261), (13, 1005485), (31, 421655), (65, 201097), (155, 84331), (169, 77345), (403, 32435), (499, 26195), (845, 15469), (2015, 6487), (2495, 5239)]