289735505

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{4663}}^1$

素因数の和:4745

約数の個数: 24

約数和(自身を含む): 378007872

約数和(自身を除く): 88272367

約数列:

[1, 5, 17, 43, 85, 215, 289, 731, 1445, 3655, 4663, 12427, 23315, 62135, 79271, 200509, 396355, 1002545, 1347607, 3408653, 6738035, 17043265, 57947101, 289735505]

約数ペア:

[(1, 289735505), (5, 57947101), (17, 17043265), (43, 6738035), (85, 3408653), (215, 1347607), (289, 1002545), (731, 396355), (1445, 200509), (3655, 79271), (4663, 62135), (12427, 23315)]