28090205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2357

約数の個数: 32

約数和(自身を含む): 41948928

約数和(自身を除く): 13858723

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2311, 2431, 11555, 12155, 25421, 30043, 39287, 127105, 150215, 196435, 330473, 432157, 510731, 1652365, 2160785, 2553655, 5618041, 28090205]

約数ペア:

[(1, 28090205), (5, 5618041), (11, 2553655), (13, 2160785), (17, 1652365), (55, 510731), (65, 432157), (85, 330473), (143, 196435), (187, 150215), (221, 127105), (715, 39287), (935, 30043), (1105, 25421), (2311, 12155), (2431, 11555)]