28457748

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 108

約数和(自身を含む): 81332160

約数和(自身を除く): 52874412

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 47, 66, 94, 99, 121, 132, 139, 141, 188, 198, 242, 278, 282, 363, 396, 417, 423, 484, 517, 556, 564, 726, 834, 846, 1034, 1089, 1251, 1452, 1529, 1551, 1668, 1692, 2068, 2178, 2502, 3058, 3102, 4356, 4587, 4653, 5004, 5687, 6116, 6204, 6533, 9174, 9306, 11374, 13066, 13761, 16819, 17061, 18348, 18612, 19599, 22748, 26132, 27522, 33638, 34122, 39198, 50457, 51183, 55044, 58797, 67276, 68244, 71863, 78396, 100914, 102366, 117594, 143726, 151371, 201828, 204732, 215589, 235188, 287452, 302742, 431178, 605484, 646767, 790493, 862356, 1293534, 1580986, 2371479, 2587068, 3161972, 4742958, 7114437, 9485916, 14228874, 28457748]

約数ペア:

[(1, 28457748), (2, 14228874), (3, 9485916), (4, 7114437), (6, 4742958), (9, 3161972), (11, 2587068), (12, 2371479), (18, 1580986), (22, 1293534), (33, 862356), (36, 790493), (44, 646767), (47, 605484), (66, 431178), (94, 302742), (99, 287452), (121, 235188), (132, 215589), (139, 204732), (141, 201828), (188, 151371), (198, 143726), (242, 117594), (278, 102366), (282, 100914), (363, 78396), (396, 71863), (417, 68244), (423, 67276), (484, 58797), (517, 55044), (556, 51183), (564, 50457), (726, 39198), (834, 34122), (846, 33638), (1034, 27522), (1089, 26132), (1251, 22748), (1452, 19599), (1529, 18612), (1551, 18348), (1668, 17061), (1692, 16819), (2068, 13761), (2178, 13066), (2502, 11374), (3058, 9306), (3102, 9174), (4356, 6533), (4587, 6204), (4653, 6116), (5004, 5687)]