81821306

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{343787}}^1$

素因数の和:343813

約数の個数: 16

約数和(自身を含む): 148516416

約数和(自身を除く): 66695110

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 343787, 687574, 2406509, 4813018, 5844379, 11688758, 40910653, 81821306]

約数ペア:

[(1, 81821306), (2, 40910653), (7, 11688758), (14, 5844379), (17, 4813018), (34, 2406509), (119, 687574), (238, 343787)]