51811216

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{75307}}^1$

素因数の和:75358

約数の個数: 20

約数和(自身を含む): 102720112

約数和(自身を除く): 50908896

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 75307, 150614, 301228, 602456, 1204912, 3238201, 6476402, 12952804, 25905608, 51811216]

約数ペア:

[(1, 51811216), (2, 25905608), (4, 12952804), (8, 6476402), (16, 3238201), (43, 1204912), (86, 602456), (172, 301228), (344, 150614), (688, 75307)]