28677924

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 79803360

約数和(自身を除く): 51125436

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 139, 198, 278, 396, 417, 521, 556, 834, 1042, 1251, 1529, 1563, 1668, 2084, 2502, 3058, 3126, 4587, 4689, 5004, 5731, 6116, 6252, 9174, 9378, 11462, 13761, 17193, 18348, 18756, 22924, 27522, 34386, 51579, 55044, 68772, 72419, 103158, 144838, 206316, 217257, 289676, 434514, 651771, 796609, 869028, 1303542, 1593218, 2389827, 2607084, 3186436, 4779654, 7169481, 9559308, 14338962, 28677924]

約数ペア:

[(1, 28677924), (2, 14338962), (3, 9559308), (4, 7169481), (6, 4779654), (9, 3186436), (11, 2607084), (12, 2389827), (18, 1593218), (22, 1303542), (33, 869028), (36, 796609), (44, 651771), (66, 434514), (99, 289676), (132, 217257), (139, 206316), (198, 144838), (278, 103158), (396, 72419), (417, 68772), (521, 55044), (556, 51579), (834, 34386), (1042, 27522), (1251, 22924), (1529, 18756), (1563, 18348), (1668, 17193), (2084, 13761), (2502, 11462), (3058, 9378), (3126, 9174), (4587, 6252), (4689, 6116), (5004, 5731)]