399761398

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{9929}}^1$

素因数の和:10463

約数の個数: 16

約数和(自身を含む): 615580560

約数和(自身を除く): 215819162

約数列:

[1, 2, 41, 82, 491, 982, 9929, 19858, 20131, 40262, 407089, 814178, 4875139, 9750278, 199880699, 399761398]

約数ペア:

[(1, 399761398), (2, 199880699), (41, 9750278), (82, 4875139), (491, 814178), (982, 407089), (9929, 40262), (19858, 20131)]