28201212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{60259}}^1$

素因数の和:60282

約数の個数: 36

約数和(自身を含む): 76771240

約数和(自身を除く): 48570028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 60259, 120518, 180777, 241036, 361554, 542331, 723108, 783367, 1084662, 1566734, 2169324, 2350101, 3133468, 4700202, 7050303, 9400404, 14100606, 28201212]

約数ペア:

[(1, 28201212), (2, 14100606), (3, 9400404), (4, 7050303), (6, 4700202), (9, 3133468), (12, 2350101), (13, 2169324), (18, 1566734), (26, 1084662), (36, 783367), (39, 723108), (52, 542331), (78, 361554), (117, 241036), (156, 180777), (234, 120518), (468, 60259)]