81609866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{8069}}^1$

素因数の和:8473

約数の個数: 16

約数和(自身を含む): 132186600

約数和(自身を除く): 50576734

約数列:

[1, 2, 13, 26, 389, 778, 5057, 8069, 10114, 16138, 104897, 209794, 3138841, 6277682, 40804933, 81609866]

約数ペア:

[(1, 81609866), (2, 40804933), (13, 6277682), (26, 3138841), (389, 209794), (778, 104897), (5057, 16138), (8069, 10114)]