390808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{4441}}^1$

素因数の和:4458

約数の個数: 16

約数和(自身を含む): 799560

約数和(自身を除く): 408752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 4441, 8882, 17764, 35528, 48851, 97702, 195404, 390808]

約数ペア:

[(1, 390808), (2, 195404), (4, 97702), (8, 48851), (11, 35528), (22, 17764), (44, 8882), (88, 4441)]