28178634

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1035

約数の個数: 64

約数和(自身を含む): 67599360

約数和(自身を除く): 39420726

約数列:

[1, 2, 3, 6, 11, 19, 22, 23, 33, 38, 46, 57, 66, 69, 114, 138, 209, 253, 418, 437, 506, 627, 759, 874, 977, 1254, 1311, 1518, 1954, 2622, 2931, 4807, 5862, 9614, 10747, 14421, 18563, 21494, 22471, 28842, 32241, 37126, 44942, 55689, 64482, 67413, 111378, 134826, 204193, 247181, 408386, 426949, 494362, 612579, 741543, 853898, 1225158, 1280847, 1483086, 2561694, 4696439, 9392878, 14089317, 28178634]

約数ペア:

[(1, 28178634), (2, 14089317), (3, 9392878), (6, 4696439), (11, 2561694), (19, 1483086), (22, 1280847), (23, 1225158), (33, 853898), (38, 741543), (46, 612579), (57, 494362), (66, 426949), (69, 408386), (114, 247181), (138, 204193), (209, 134826), (253, 111378), (418, 67413), (437, 64482), (506, 55689), (627, 44942), (759, 37126), (874, 32241), (977, 28842), (1254, 22471), (1311, 21494), (1518, 18563), (1954, 14421), (2622, 10747), (2931, 9614), (4807, 5862)]