1890147259

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{43913}}^1$

素因数の和:43987

約数の個数: 32

約数和(自身を含む): 2596898304

約数和(自身を除く): 706751045

約数列:

[1, 7, 11, 13, 43, 77, 91, 143, 301, 473, 559, 1001, 3311, 3913, 6149, 43043, 43913, 307391, 483043, 570869, 1888259, 3381301, 3996083, 6279559, 13217813, 20770849, 24547367, 43956913, 145395943, 171831569, 270021037, 1890147259]

約数ペア:

[(1, 1890147259), (7, 270021037), (11, 171831569), (13, 145395943), (43, 43956913), (77, 24547367), (91, 20770849), (143, 13217813), (301, 6279559), (473, 3996083), (559, 3381301), (1001, 1888259), (3311, 570869), (3913, 483043), (6149, 307391), (43043, 43913)]