28647385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3217}}^1$

素因数の和:3372

約数の個数: 16

約数和(自身を含む): 37303056

約数和(自身を除く): 8655671

約数列:

[1, 5, 13, 65, 137, 685, 1781, 3217, 8905, 16085, 41821, 209105, 440729, 2203645, 5729477, 28647385]

約数ペア:

[(1, 28647385), (5, 5729477), (13, 2203645), (65, 440729), (137, 209105), (685, 41821), (1781, 16085), (3217, 8905)]