815206.0000000

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 11887008

約数和(自身を除く): 6747412

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 41, 44, 74, 77, 82, 121, 148, 154, 164, 242, 259, 287, 308, 407, 451, 484, 518, 574, 814, 847, 902, 1036, 1148, 1517, 1628, 1694, 1804, 2849, 3034, 3157, 3388, 4477, 4961, 5698, 6068, 6314, 8954, 9922, 10619, 11396, 12628, 16687, 17908, 19844, 21238, 31339, 33374, 34727, 42476, 62678, 66748, 69454, 116809, 125356, 138908, 183557, 233618, 367114, 467236, 734228, 1284899, 2569798, 5139596]

約数ペア:

[(1, 5139596), (2, 2569798), (4, 1284899), (7, 734228), (11, 467236), (14, 367114), (22, 233618), (28, 183557), (37, 138908), (41, 125356), (44, 116809), (74, 69454), (77, 66748), (82, 62678), (121, 42476), (148, 34727), (154, 33374), (164, 31339), (242, 21238), (259, 19844), (287, 17908), (308, 16687), (407, 12628), (451, 11396), (484, 10619), (518, 9922), (574, 8954), (814, 6314), (847, 6068), (902, 5698), (1036, 4961), (1148, 4477), (1517, 3388), (1628, 3157), (1694, 3034), (1804, 2849)]