81350018

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{7451}}^1$

素因数の和:7609

約数の個数: 16

約数和(自身を含む): 125551296

約数和(自身を除く): 44201278

約数列:

[1, 2, 53, 103, 106, 206, 5459, 7451, 10918, 14902, 394903, 767453, 789806, 1534906, 40675009, 81350018]

約数ペア:

[(1, 81350018), (2, 40675009), (53, 1534906), (103, 789806), (106, 767453), (206, 394903), (5459, 14902), (7451, 10918)]