66990508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{2531}}^1$

素因数の和:3057

約数の個数: 24

約数和(自身を含む): 126549360

約数和(自身を除く): 59558852

約数列:

[1, 2, 4, 13, 26, 52, 509, 1018, 2036, 2531, 5062, 6617, 10124, 13234, 26468, 32903, 65806, 131612, 1288279, 2576558, 5153116, 16747627, 33495254, 66990508]

約数ペア:

[(1, 66990508), (2, 33495254), (4, 16747627), (13, 5153116), (26, 2576558), (52, 1288279), (509, 131612), (1018, 65806), (2036, 32903), (2531, 26468), (5062, 13234), (6617, 10124)]