8428290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21611}}^1$

素因数の和:21634

約数の個数: 32

約数和(自身を含む): 21784896

約数和(自身を除く): 13356606

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 21611, 43222, 64833, 108055, 129666, 216110, 280943, 324165, 561886, 648330, 842829, 1404715, 1685658, 2809430, 4214145, 8428290]

約数ペア:

[(1, 8428290), (2, 4214145), (3, 2809430), (5, 1685658), (6, 1404715), (10, 842829), (13, 648330), (15, 561886), (26, 324165), (30, 280943), (39, 216110), (65, 129666), (78, 108055), (130, 64833), (195, 43222), (390, 21611)]