28754245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3229}}^1$

素因数の和:3384

約数の個数: 16

約数和(自身を含む): 37442160

約数和(自身を除く): 8687915

約数列:

[1, 5, 13, 65, 137, 685, 1781, 3229, 8905, 16145, 41977, 209885, 442373, 2211865, 5750849, 28754245]

約数ペア:

[(1, 28754245), (5, 5750849), (13, 2211865), (65, 442373), (137, 209885), (685, 41977), (1781, 16145), (3229, 8905)]