81274726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{39569}}^1$

素因数の和:39663

約数の個数: 16

約数和(自身を含む): 132955200

約数和(自身を除く): 51680474

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 39569, 79138, 514397, 1028794, 3125951, 6251902, 40637363, 81274726]

約数ペア:

[(1, 81274726), (2, 40637363), (13, 6251902), (26, 3125951), (79, 1028794), (158, 514397), (1027, 79138), (2054, 39569)]