497031860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1911661}}^1$

素因数の和:1911683

約数の個数: 24

約数和(自身を含む): 1124057256

約数和(自身を除く): 627025396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1911661, 3823322, 7646644, 9558305, 19116610, 24851593, 38233220, 49703186, 99406372, 124257965, 248515930, 497031860]

約数ペア:

[(1, 497031860), (2, 248515930), (4, 124257965), (5, 99406372), (10, 49703186), (13, 38233220), (20, 24851593), (26, 19116610), (52, 9558305), (65, 7646644), (130, 3823322), (260, 1911661)]