68780998

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{21863}}^1$

素因数の和:21900

約数の個数: 24

約数和(自身を含む): 122132304

約数和(自身を除く): 53351306

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146, 21863, 43726, 240493, 284219, 480986, 568438, 2645423, 3126409, 5290846, 6252818, 34390499, 68780998]

約数ペア:

[(1, 68780998), (2, 34390499), (11, 6252818), (13, 5290846), (22, 3126409), (26, 2645423), (121, 568438), (143, 480986), (242, 284219), (286, 240493), (1573, 43726), (3146, 21863)]