31103878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{647}}^1$

素因数の和:748

約数の個数: 24

約数和(自身を含む): 51519888

約数和(自身を除く): 20416010

約数列:

[1, 2, 13, 26, 43, 86, 559, 647, 1118, 1294, 1849, 3698, 8411, 16822, 24037, 27821, 48074, 55642, 361673, 723346, 1196303, 2392606, 15551939, 31103878]

約数ペア:

[(1, 31103878), (2, 15551939), (13, 2392606), (26, 1196303), (43, 723346), (86, 361673), (559, 55642), (647, 48074), (1118, 27821), (1294, 24037), (1849, 16822), (3698, 8411)]