81660458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{5737}}^1$

素因数の和:6397

約数の個数: 16

約数和(自身を含む): 133856064

約数和(自身を除く): 52195606

約数列:

[1, 2, 11, 22, 647, 1294, 5737, 7117, 11474, 14234, 63107, 126214, 3711839, 7423678, 40830229, 81660458]

約数ペア:

[(1, 81660458), (2, 40830229), (11, 7423678), (22, 3711839), (647, 126214), (1294, 63107), (5737, 14234), (7117, 11474)]