28257372

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:544

約数の個数: 108

約数和(自身を含む): 84721000

約数和(自身を除く): 56463628

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 121, 132, 143, 156, 198, 234, 242, 286, 363, 396, 429, 468, 484, 499, 572, 726, 858, 998, 1089, 1287, 1452, 1497, 1573, 1716, 1996, 2178, 2574, 2994, 3146, 4356, 4491, 4719, 5148, 5489, 5988, 6292, 6487, 8982, 9438, 10978, 12974, 14157, 16467, 17964, 18876, 19461, 21956, 25948, 28314, 32934, 38922, 49401, 56628, 58383, 60379, 65868, 71357, 77844, 98802, 116766, 120758, 142714, 181137, 197604, 214071, 233532, 241516, 285428, 362274, 428142, 543411, 642213, 724548, 784927, 856284, 1086822, 1284426, 1569854, 2173644, 2354781, 2568852, 3139708, 4709562, 7064343, 9419124, 14128686, 28257372]

約数ペア:

[(1, 28257372), (2, 14128686), (3, 9419124), (4, 7064343), (6, 4709562), (9, 3139708), (11, 2568852), (12, 2354781), (13, 2173644), (18, 1569854), (22, 1284426), (26, 1086822), (33, 856284), (36, 784927), (39, 724548), (44, 642213), (52, 543411), (66, 428142), (78, 362274), (99, 285428), (117, 241516), (121, 233532), (132, 214071), (143, 197604), (156, 181137), (198, 142714), (234, 120758), (242, 116766), (286, 98802), (363, 77844), (396, 71357), (429, 65868), (468, 60379), (484, 58383), (499, 56628), (572, 49401), (726, 38922), (858, 32934), (998, 28314), (1089, 25948), (1287, 21956), (1452, 19461), (1497, 18876), (1573, 17964), (1716, 16467), (1996, 14157), (2178, 12974), (2574, 10978), (2994, 9438), (3146, 8982), (4356, 6487), (4491, 6292), (4719, 5988), (5148, 5489)]