51386576

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{16139}}^1$

素因数の和:16346

約数の個数: 20

約数和(自身を含む): 100068000

約数和(自身を除く): 48681424

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 16139, 32278, 64556, 129112, 258224, 3211661, 6423322, 12846644, 25693288, 51386576]

約数ペア:

[(1, 51386576), (2, 25693288), (4, 12846644), (8, 6423322), (16, 3211661), (199, 258224), (398, 129112), (796, 64556), (1592, 32278), (3184, 16139)]