130278928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{626341}}^1$

素因数の和:626362

約数の個数: 20

約数和(自身を含む): 271832428

約数和(自身を除く): 141553500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 626341, 1252682, 2505364, 5010728, 8142433, 10021456, 16284866, 32569732, 65139464, 130278928]

約数ペア:

[(1, 130278928), (2, 65139464), (4, 32569732), (8, 16284866), (13, 10021456), (16, 8142433), (26, 5010728), (52, 2505364), (104, 1252682), (208, 626341)]