128843425

素因数分解:

$5^2\times {\mathrm{17}}^3\times {\mathrm{1049}}^1$

素因数の和:1110

約数の個数: 24

約数和(自身を含む): 169911000

約数和(自身を除く): 41067575

約数列:

[1, 5, 17, 25, 85, 289, 425, 1049, 1445, 4913, 5245, 7225, 17833, 24565, 26225, 89165, 122825, 303161, 445825, 1515805, 5153737, 7579025, 25768685, 128843425]

約数ペア:

[(1, 128843425), (5, 25768685), (17, 7579025), (25, 5153737), (85, 1515805), (289, 445825), (425, 303161), (1049, 122825), (1445, 89165), (4913, 26225), (5245, 24565), (7225, 17833)]