139123670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1987481}}^1$

素因数の和:1987495

約数の個数: 16

約数和(自身を含む): 286197408

約数和(自身を除く): 147073738

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1987481, 3974962, 9937405, 13912367, 19874810, 27824734, 69561835, 139123670]

約数ペア:

[(1, 139123670), (2, 69561835), (5, 27824734), (7, 19874810), (10, 13912367), (14, 9937405), (35, 3974962), (70, 1987481)]