81466814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{643}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 144111744

約数和(自身を除く): 62644930

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 443, 643, 886, 1286, 4873, 5759, 7073, 8359, 9746, 11518, 14146, 16718, 63349, 91949, 126698, 183898, 284849, 569698, 3133339, 3703037, 6266678, 7406074, 40733407, 81466814]

約数ペア:

[(1, 81466814), (2, 40733407), (11, 7406074), (13, 6266678), (22, 3703037), (26, 3133339), (143, 569698), (286, 284849), (443, 183898), (643, 126698), (886, 91949), (1286, 63349), (4873, 16718), (5759, 14146), (7073, 11518), (8359, 9746)]