25654928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123341}}^1$

素因数の和:123362

約数の個数: 20

約数和(自身を含む): 53530428

約数和(自身を除く): 27875500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123341, 246682, 493364, 986728, 1603433, 1973456, 3206866, 6413732, 12827464, 25654928]

約数ペア:

[(1, 25654928), (2, 12827464), (4, 6413732), (8, 3206866), (13, 1973456), (16, 1603433), (26, 986728), (52, 493364), (104, 246682), (208, 123341)]