168409852

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{249127}}^1$

素因数の和:249157

約数の個数: 18

約数和(自身を含む): 319132968

約数和(自身を除く): 150723116

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 249127, 498254, 996508, 3238651, 6477302, 12954604, 42102463, 84204926, 168409852]

約数ペア:

[(1, 168409852), (2, 84204926), (4, 42102463), (13, 12954604), (26, 6477302), (52, 3238651), (169, 996508), (338, 498254), (676, 249127)]