2560778874

素因数分解:

$2^1\times 3^4\times {\mathrm{15807277}}^1$

素因数の和:15807291

約数の個数: 20

約数和(自身を含む): 5738041914

約数和(自身を除く): 3177263040

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 15807277, 31614554, 47421831, 94843662, 142265493, 284530986, 426796479, 853592958, 1280389437, 2560778874]

約数ペア:

[(1, 2560778874), (2, 1280389437), (3, 853592958), (6, 426796479), (9, 284530986), (18, 142265493), (27, 94843662), (54, 47421831), (81, 31614554), (162, 15807277)]