26278928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{126341}}^1$

素因数の和:126362

約数の個数: 20

約数和(自身を含む): 54832428

約数和(自身を除く): 28553500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 126341, 252682, 505364, 1010728, 1642433, 2021456, 3284866, 6569732, 13139464, 26278928]

約数ペア:

[(1, 26278928), (2, 13139464), (4, 6569732), (8, 3284866), (13, 2021456), (16, 1642433), (26, 1010728), (52, 505364), (104, 252682), (208, 126341)]