28132130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{216401}}^1$

素因数の和:216421

約数の個数: 16

約数和(自身を含む): 54533304

約数和(自身を除く): 26401174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 216401, 432802, 1082005, 2164010, 2813213, 5626426, 14066065, 28132130]

約数ペア:

[(1, 28132130), (2, 14066065), (5, 5626426), (10, 2813213), (13, 2164010), (26, 1082005), (65, 432802), (130, 216401)]