28820748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 77220864

約数和(自身を除く): 48400116

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 121, 132, 138, 242, 253, 276, 363, 484, 506, 726, 759, 863, 1012, 1452, 1518, 1726, 2589, 2783, 3036, 3452, 5178, 5566, 8349, 9493, 10356, 11132, 16698, 18986, 19849, 28479, 33396, 37972, 39698, 56958, 59547, 79396, 104423, 113916, 119094, 208846, 218339, 238188, 313269, 417692, 436678, 626538, 655017, 873356, 1253076, 1310034, 2401729, 2620068, 4803458, 7205187, 9606916, 14410374, 28820748]

約数ペア:

[(1, 28820748), (2, 14410374), (3, 9606916), (4, 7205187), (6, 4803458), (11, 2620068), (12, 2401729), (22, 1310034), (23, 1253076), (33, 873356), (44, 655017), (46, 626538), (66, 436678), (69, 417692), (92, 313269), (121, 238188), (132, 218339), (138, 208846), (242, 119094), (253, 113916), (276, 104423), (363, 79396), (484, 59547), (506, 56958), (726, 39698), (759, 37972), (863, 33396), (1012, 28479), (1452, 19849), (1518, 18986), (1726, 16698), (2589, 11132), (2783, 10356), (3036, 9493), (3452, 8349), (5178, 5566)]