81386735

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 104714016

約数和(自身を除く): 23327281

約数列:

[1, 5, 17, 85, 151, 289, 373, 755, 1445, 1865, 2567, 6341, 12835, 31705, 43639, 56323, 107797, 218195, 281615, 538985, 957491, 4787455, 16277347, 81386735]

約数ペア:

[(1, 81386735), (5, 16277347), (17, 4787455), (85, 957491), (151, 538985), (289, 281615), (373, 218195), (755, 107797), (1445, 56323), (1865, 43639), (2567, 31705), (6341, 12835)]