81494136

素因数分解:

$2^3\times 3^2\times {\mathrm{1131863}}^1$

素因数の和:1131875

約数の個数: 24

約数和(自身を含む): 220713480

約数和(自身を除く): 139219344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1131863, 2263726, 3395589, 4527452, 6791178, 9054904, 10186767, 13582356, 20373534, 27164712, 40747068, 81494136]

約数ペア:

[(1, 81494136), (2, 40747068), (3, 27164712), (4, 20373534), (6, 13582356), (8, 10186767), (9, 9054904), (12, 6791178), (18, 4527452), (24, 3395589), (36, 2263726), (72, 1131863)]