81788018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{29399}}^1$

素因数の和:29521

約数の個数: 16

約数和(自身を含む): 133358400

約数和(自身を除く): 51570382

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 29399, 58798, 382187, 764374, 3145693, 6291386, 40894009, 81788018]

約数ペア:

[(1, 81788018), (2, 40894009), (13, 6291386), (26, 3145693), (107, 764374), (214, 382187), (1391, 58798), (2782, 29399)]