28140786

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{769}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 64864800

約数和(自身を除く): 36724014

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 107, 114, 171, 214, 321, 342, 642, 769, 963, 1538, 1926, 2033, 2307, 4066, 4614, 6099, 6921, 12198, 13842, 14611, 18297, 29222, 36594, 43833, 82283, 87666, 131499, 164566, 246849, 262998, 493698, 740547, 1481094, 1563377, 3126754, 4690131, 9380262, 14070393, 28140786]

約数ペア:

[(1, 28140786), (2, 14070393), (3, 9380262), (6, 4690131), (9, 3126754), (18, 1563377), (19, 1481094), (38, 740547), (57, 493698), (107, 262998), (114, 246849), (171, 164566), (214, 131499), (321, 87666), (342, 82283), (642, 43833), (769, 36594), (963, 29222), (1538, 18297), (1926, 14611), (2033, 13842), (2307, 12198), (4066, 6921), (4614, 6099)]