2912985887

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{2887}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 3609768960

約数和(自身を除く): 696783073

約数列:

[1, 7, 17, 61, 119, 139, 427, 973, 1037, 2363, 2887, 7259, 8479, 16541, 20209, 49079, 59353, 144143, 176107, 343553, 401293, 1009001, 1232749, 2809051, 2993819, 6821981, 20956733, 24478873, 47753867, 171352111, 416140841, 2912985887]

約数ペア:

[(1, 2912985887), (7, 416140841), (17, 171352111), (61, 47753867), (119, 24478873), (139, 20956733), (427, 6821981), (973, 2993819), (1037, 2809051), (2363, 1232749), (2887, 1009001), (7259, 401293), (8479, 343553), (16541, 176107), (20209, 144143), (49079, 59353)]