28271124

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2609}}^1$

素因数の和:2669

約数の個数: 72

約数和(自身を含む): 83603520

約数和(自身を除く): 55332396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2609, 2709, 3612, 5218, 5418, 7827, 10436, 10836, 15654, 18263, 23481, 31308, 36526, 46962, 54789, 73052, 93924, 109578, 112187, 164367, 219156, 224374, 328734, 336561, 448748, 657468, 673122, 785309, 1009683, 1346244, 1570618, 2019366, 2355927, 3141236, 4038732, 4711854, 7067781, 9423708, 14135562, 28271124]

約数ペア:

[(1, 28271124), (2, 14135562), (3, 9423708), (4, 7067781), (6, 4711854), (7, 4038732), (9, 3141236), (12, 2355927), (14, 2019366), (18, 1570618), (21, 1346244), (28, 1009683), (36, 785309), (42, 673122), (43, 657468), (63, 448748), (84, 336561), (86, 328734), (126, 224374), (129, 219156), (172, 164367), (252, 112187), (258, 109578), (301, 93924), (387, 73052), (516, 54789), (602, 46962), (774, 36526), (903, 31308), (1204, 23481), (1548, 18263), (1806, 15654), (2609, 10836), (2709, 10436), (3612, 7827), (5218, 5418)]