138718559

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{65837}}^1$

素因数の和:65894

約数の個数: 12

約数和(自身を含む): 165121704

約数和(自身を除く): 26403145

約数列:

[1, 7, 43, 49, 301, 2107, 65837, 460859, 2830991, 3226013, 19816937, 138718559]

約数ペア:

[(1, 138718559), (7, 19816937), (43, 3226013), (49, 2830991), (301, 460859), (2107, 65837)]