28429525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 37658304

約数和(自身を除く): 9228779

約数列:

[1, 5, 17, 25, 85, 151, 425, 443, 755, 2215, 2567, 3775, 7531, 11075, 12835, 37655, 64175, 66893, 188275, 334465, 1137181, 1672325, 5685905, 28429525]

約数ペア:

[(1, 28429525), (5, 5685905), (17, 1672325), (25, 1137181), (85, 334465), (151, 188275), (425, 66893), (443, 64175), (755, 37655), (2215, 12835), (2567, 11075), (3775, 7531)]