16639804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{244703}}^1$

素因数の和:244724

約数の個数: 12

約数和(自身を含む): 30832704

約数和(自身を除く): 14192900

約数列:

[1, 2, 4, 17, 34, 68, 244703, 489406, 978812, 4159951, 8319902, 16639804]

約数ペア:

[(1, 16639804), (2, 8319902), (4, 4159951), (17, 978812), (34, 489406), (68, 244703)]