12501385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2161}}^1$

素因数の和:2268

約数の個数: 16

約数和(自身を含む): 16344720

約数和(自身を除く): 3843335

約数列:

[1, 5, 13, 65, 89, 445, 1157, 2161, 5785, 10805, 28093, 140465, 192329, 961645, 2500277, 12501385]

約数ペア:

[(1, 12501385), (5, 2500277), (13, 961645), (65, 192329), (89, 140465), (445, 28093), (1157, 10805), (2161, 5785)]