9920998412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2687161}}^1$

素因数の和:2687249

約数の個数: 24

約数和(自身を含む): 18960615072

約数和(自身を除く): 9039616660

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 2687161, 5374322, 10748644, 34933093, 69866186, 139732372, 190788431, 381576862, 763153724, 2480249603, 4960499206, 9920998412]

約数ペア:

[(1, 9920998412), (2, 4960499206), (4, 2480249603), (13, 763153724), (26, 381576862), (52, 190788431), (71, 139732372), (142, 69866186), (284, 34933093), (923, 10748644), (1846, 5374322), (3692, 2687161)]