156642335

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 204403056

約数和(自身を除く): 47760721

約数列:

[1, 5, 17, 43, 85, 215, 289, 731, 1445, 2521, 3655, 12427, 12605, 42857, 62135, 108403, 214285, 542015, 728569, 1842851, 3642845, 9214255, 31328467, 156642335]

約数ペア:

[(1, 156642335), (5, 31328467), (17, 9214255), (43, 3642845), (85, 1842851), (215, 728569), (289, 542015), (731, 214285), (1445, 108403), (2521, 62135), (3655, 42857), (12427, 12605)]