28090511

素因数分解:

${\mathrm{17}}^2\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 18

約数和(自身を含む): 31100328

約数和(自身を除く): 3009817

約数列:

[1, 17, 37, 71, 289, 629, 1207, 1369, 2627, 10693, 20519, 23273, 44659, 97199, 395641, 759203, 1652383, 28090511]

約数ペア:

[(1, 28090511), (17, 1652383), (37, 759203), (71, 395641), (289, 97199), (629, 44659), (1207, 23273), (1369, 20519), (2627, 10693)]