28016478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5171}}^1$

素因数の和:5229

約数の個数: 48

約数和(自身を含む): 71001216

約数和(自身を除く): 42984738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 5171, 5418, 10342, 15513, 31026, 36197, 46539, 72394, 93078, 108591, 217182, 222353, 325773, 444706, 651546, 667059, 1334118, 1556471, 2001177, 3112942, 4002354, 4669413, 9338826, 14008239, 28016478]

約数ペア:

[(1, 28016478), (2, 14008239), (3, 9338826), (6, 4669413), (7, 4002354), (9, 3112942), (14, 2001177), (18, 1556471), (21, 1334118), (42, 667059), (43, 651546), (63, 444706), (86, 325773), (126, 222353), (129, 217182), (258, 108591), (301, 93078), (387, 72394), (602, 46539), (774, 36197), (903, 31026), (1806, 15513), (2709, 10342), (5171, 5418)]