28343510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{829}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 55218240

約数和(自身を除く): 26874730

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 829, 1315, 1658, 2630, 3419, 4145, 6838, 8290, 10777, 17095, 21554, 34190, 53885, 107770, 218027, 436054, 1090135, 2180270, 2834351, 5668702, 14171755, 28343510]

約数ペア:

[(1, 28343510), (2, 14171755), (5, 5668702), (10, 2834351), (13, 2180270), (26, 1090135), (65, 436054), (130, 218027), (263, 107770), (526, 53885), (829, 34190), (1315, 21554), (1658, 17095), (2630, 10777), (3419, 8290), (4145, 6838)]