81122908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{2131}}^1$

素因数の和:2473

約数の個数: 24

約数和(自身を含む): 147090944

約数和(自身を除く): 65968036

約数列:

[1, 2, 4, 31, 62, 124, 307, 614, 1228, 2131, 4262, 8524, 9517, 19034, 38068, 66061, 132122, 264244, 654217, 1308434, 2616868, 20280727, 40561454, 81122908]

約数ペア:

[(1, 81122908), (2, 40561454), (4, 20280727), (31, 2616868), (62, 1308434), (124, 654217), (307, 264244), (614, 132122), (1228, 66061), (2131, 38068), (4262, 19034), (8524, 9517)]