405942128

素因数分解:

$2^4\times {\mathrm{4663}}^1\times {\mathrm{5441}}^1$

素因数の和:10112

約数の個数: 20

約数和(自身を含む): 786826128

約数和(自身を除く): 380884000

約数列:

[1, 2, 4, 8, 16, 4663, 5441, 9326, 10882, 18652, 21764, 37304, 43528, 74608, 87056, 25371383, 50742766, 101485532, 202971064, 405942128]

約数ペア:

[(1, 405942128), (2, 202971064), (4, 101485532), (8, 50742766), (16, 25371383), (4663, 87056), (5441, 74608), (9326, 43528), (10882, 37304), (18652, 21764)]