28951956

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 80668224

約数和(自身を除く): 51716268

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 113, 132, 198, 226, 339, 396, 452, 647, 678, 1017, 1243, 1294, 1356, 1941, 2034, 2486, 2588, 3729, 3882, 4068, 4972, 5823, 7117, 7458, 7764, 11187, 11646, 14234, 14916, 21351, 22374, 23292, 28468, 42702, 44748, 64053, 73111, 85404, 128106, 146222, 219333, 256212, 292444, 438666, 657999, 804221, 877332, 1315998, 1608442, 2412663, 2631996, 3216884, 4825326, 7237989, 9650652, 14475978, 28951956]

約数ペア:

[(1, 28951956), (2, 14475978), (3, 9650652), (4, 7237989), (6, 4825326), (9, 3216884), (11, 2631996), (12, 2412663), (18, 1608442), (22, 1315998), (33, 877332), (36, 804221), (44, 657999), (66, 438666), (99, 292444), (113, 256212), (132, 219333), (198, 146222), (226, 128106), (339, 85404), (396, 73111), (452, 64053), (647, 44748), (678, 42702), (1017, 28468), (1243, 23292), (1294, 22374), (1356, 21351), (1941, 14916), (2034, 14234), (2486, 11646), (2588, 11187), (3729, 7764), (3882, 7458), (4068, 7117), (4972, 5823)]