289657228

素因数分解:

$2^2\times 7^2\times {\mathrm{1477843}}^1$

素因数の和:1477861

約数の個数: 18

約数和(自身を含む): 589659756

約数和(自身を除く): 300002528

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1477843, 2955686, 5911372, 10344901, 20689802, 41379604, 72414307, 144828614, 289657228]

約数ペア:

[(1, 289657228), (2, 144828614), (4, 72414307), (7, 41379604), (14, 20689802), (28, 10344901), (49, 5911372), (98, 2955686), (196, 1477843)]