28701684

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^3\times {\mathrm{599}}^1$

素因数の和:642

約数の個数: 72

約数和(自身を含む): 79934400

約数和(自身を除く): 51232716

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 599, 726, 1089, 1198, 1331, 1452, 1797, 2178, 2396, 2662, 3594, 3993, 4356, 5324, 5391, 6589, 7188, 7986, 10782, 11979, 13178, 15972, 19767, 21564, 23958, 26356, 39534, 47916, 59301, 72479, 79068, 118602, 144958, 217437, 237204, 289916, 434874, 652311, 797269, 869748, 1304622, 1594538, 2391807, 2609244, 3189076, 4783614, 7175421, 9567228, 14350842, 28701684]

約数ペア:

[(1, 28701684), (2, 14350842), (3, 9567228), (4, 7175421), (6, 4783614), (9, 3189076), (11, 2609244), (12, 2391807), (18, 1594538), (22, 1304622), (33, 869748), (36, 797269), (44, 652311), (66, 434874), (99, 289916), (121, 237204), (132, 217437), (198, 144958), (242, 118602), (363, 79068), (396, 72479), (484, 59301), (599, 47916), (726, 39534), (1089, 26356), (1198, 23958), (1331, 21564), (1452, 19767), (1797, 15972), (2178, 13178), (2396, 11979), (2662, 10782), (3594, 7986), (3993, 7188), (4356, 6589), (5324, 5391)]