289497676

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{428251}}^1$

素因数の和:428281

約数の個数: 18

約数和(自身を含む): 548590812

約数和(自身を除く): 259093136

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 428251, 856502, 1713004, 5567263, 11134526, 22269052, 72374419, 144748838, 289497676]

約数ペア:

[(1, 289497676), (2, 144748838), (4, 72374419), (13, 22269052), (26, 11134526), (52, 5567263), (169, 1713004), (338, 856502), (676, 428251)]