31087658

素因数分解:

$2^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{2129}}^1$

素因数の和:2294

約数の個数: 24

約数和(自身を含む): 54634500

約数和(自身を除く): 23546842

約数列:

[1, 2, 7, 14, 49, 98, 149, 298, 1043, 2086, 2129, 4258, 7301, 14602, 14903, 29806, 104321, 208642, 317221, 634442, 2220547, 4441094, 15543829, 31087658]

約数ペア:

[(1, 31087658), (2, 15543829), (7, 4441094), (14, 2220547), (49, 634442), (98, 317221), (149, 208642), (298, 104321), (1043, 29806), (2086, 14903), (2129, 14602), (4258, 7301)]