81319608

素因数分解:

$2^3\times 3^2\times {\mathrm{1129439}}^1$

素因数の和:1129451

約数の個数: 24

約数和(自身を含む): 220240800

約数和(自身を除く): 138921192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1129439, 2258878, 3388317, 4517756, 6776634, 9035512, 10164951, 13553268, 20329902, 27106536, 40659804, 81319608]

約数ペア:

[(1, 81319608), (2, 40659804), (3, 27106536), (4, 20329902), (6, 13553268), (8, 10164951), (9, 9035512), (12, 6776634), (18, 4517756), (24, 3388317), (36, 2258878), (72, 1129439)]