38987728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{187441}}^1$

素因数の和:187462

約数の個数: 20

約数和(自身を含む): 81349828

約数和(自身を除く): 42362100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 187441, 374882, 749764, 1499528, 2436733, 2999056, 4873466, 9746932, 19493864, 38987728]

約数ペア:

[(1, 38987728), (2, 19493864), (4, 9746932), (8, 4873466), (13, 2999056), (16, 2436733), (26, 1499528), (52, 749764), (104, 374882), (208, 187441)]