1999163089

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1\times {\mathrm{6763}}^1$

素因数の和:7141

約数の個数: 24

約数和(自身を含む): 2518913600

約数和(自身を除く): 519750511

約数列:

[1, 7, 11, 77, 121, 349, 847, 2443, 3839, 6763, 26873, 42229, 47341, 74393, 295603, 520751, 818323, 2360287, 5728261, 16522009, 25963157, 181742099, 285594727, 1999163089]

約数ペア:

[(1, 1999163089), (7, 285594727), (11, 181742099), (77, 25963157), (121, 16522009), (349, 5728261), (847, 2360287), (2443, 818323), (3839, 520751), (6763, 295603), (26873, 74393), (42229, 47341)]