40405771

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 47013120

約数和(自身を除く): 6607349

約数列:

[1, 7, 131, 139, 317, 917, 973, 2219, 18209, 41527, 44063, 127463, 290689, 308441, 5772253, 40405771]

約数ペア:

[(1, 40405771), (7, 5772253), (131, 308441), (139, 290689), (317, 127463), (917, 44063), (973, 41527), (2219, 18209)]