81257136

素因数分解:

$2^4\times 3^1\times {\mathrm{1692857}}^1$

素因数の和:1692868

約数の個数: 20

約数和(自身を含む): 209914392

約数和(自身を除く): 128657256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1692857, 3385714, 5078571, 6771428, 10157142, 13542856, 20314284, 27085712, 40628568, 81257136]

約数ペア:

[(1, 81257136), (2, 40628568), (3, 27085712), (4, 20314284), (6, 13542856), (8, 10157142), (12, 6771428), (16, 5078571), (24, 3385714), (48, 1692857)]