2219262721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1\times {\mathrm{2161}}^1$

素因数の和:2772

約数の個数: 16

約数和(自身を含む): 2409211728

約数和(自身を除く): 189949007

約数列:

[1, 13, 197, 401, 2161, 2561, 5213, 28093, 78997, 425717, 866561, 1026961, 5534321, 11265293, 170712517, 2219262721]

約数ペア:

[(1, 2219262721), (13, 170712517), (197, 11265293), (401, 5534321), (2161, 1026961), (2561, 866561), (5213, 425717), (28093, 78997)]