28406735

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5839}}^1$

素因数の和:5990

約数の個数: 16

約数和(自身を含む): 39244800

約数和(自身を除く): 10838065

約数列:

[1, 5, 7, 35, 139, 695, 973, 4865, 5839, 29195, 40873, 204365, 811621, 4058105, 5681347, 28406735]

約数ペア:

[(1, 28406735), (5, 5681347), (7, 4058105), (35, 811621), (139, 204365), (695, 40873), (973, 29195), (4865, 5839)]