8171387

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 10232640

約数和(自身を除く): 2061253

約数列:

[1, 7, 19, 49, 67, 131, 133, 469, 917, 931, 1273, 2489, 3283, 6419, 8777, 8911, 17423, 61439, 62377, 121961, 166763, 430073, 1167341, 8171387]

約数ペア:

[(1, 8171387), (7, 1167341), (19, 430073), (49, 166763), (67, 121961), (131, 62377), (133, 61439), (469, 17423), (917, 8911), (931, 8777), (1273, 6419), (2489, 3283)]