90404279

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 104772096

約数和(自身を除く): 14367817

約数列:

[1, 7, 131, 311, 317, 917, 2177, 2219, 40741, 41527, 98587, 285187, 290689, 690109, 12914897, 90404279]

約数ペア:

[(1, 90404279), (7, 12914897), (131, 690109), (311, 290689), (317, 285187), (917, 98587), (2177, 41527), (2219, 40741)]