399331312

素因数分解:

$2^4\times {\mathrm{2633}}^1\times {\mathrm{9479}}^1$

素因数の和:12120

約数の個数: 20

約数和(自身を含む): 774079920

約数和(自身を除く): 374748608

約数列:

[1, 2, 4, 8, 16, 2633, 5266, 9479, 10532, 18958, 21064, 37916, 42128, 75832, 151664, 24958207, 49916414, 99832828, 199665656, 399331312]

約数ペア:

[(1, 399331312), (2, 199665656), (4, 99832828), (8, 49916414), (16, 24958207), (2633, 151664), (5266, 75832), (9479, 42128), (10532, 37916), (18958, 21064)]