2778896510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1\times {\mathrm{13187}}^1$

素因数の和:14828

約数の個数: 32

約数和(自身を含む): 5390515872

約数和(自身を除く): 2611619362

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1621, 3242, 8105, 13187, 16210, 21073, 26374, 42146, 65935, 105365, 131870, 171431, 210730, 342862, 857155, 1714310, 21376127, 42752254, 106880635, 213761270, 277889651, 555779302, 1389448255, 2778896510]

約数ペア:

[(1, 2778896510), (2, 1389448255), (5, 555779302), (10, 277889651), (13, 213761270), (26, 106880635), (65, 42752254), (130, 21376127), (1621, 1714310), (3242, 857155), (8105, 342862), (13187, 210730), (16210, 171431), (21073, 131870), (26374, 105365), (42146, 65935)]