661666488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2137}}^1$

素因数の和:2269

約数の個数: 128

約数和(自身を含む): 2011430400

約数和(自身を除く): 1349763912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 97, 114, 133, 152, 168, 194, 228, 266, 291, 388, 399, 456, 532, 582, 679, 776, 798, 1064, 1164, 1358, 1596, 1843, 2037, 2137, 2328, 2716, 3192, 3686, 4074, 4274, 5432, 5529, 6411, 7372, 8148, 8548, 11058, 12822, 12901, 14744, 14959, 16296, 17096, 22116, 25644, 25802, 29918, 38703, 40603, 44232, 44877, 51288, 51604, 59836, 77406, 81206, 89754, 103208, 119672, 121809, 154812, 162412, 179508, 207289, 243618, 284221, 309624, 324824, 359016, 414578, 487236, 568442, 621867, 829156, 852663, 974472, 1136884, 1243734, 1451023, 1658312, 1705326, 2273768, 2487468, 2902046, 3410652, 3938491, 4353069, 4974936, 5804092, 6821304, 7876982, 8706138, 11608184, 11815473, 15753964, 17412276, 23630946, 27569437, 31507928, 34824552, 47261892, 55138874, 82708311, 94523784, 110277748, 165416622, 220555496, 330833244, 661666488]

約数ペア:

[(1, 661666488), (2, 330833244), (3, 220555496), (4, 165416622), (6, 110277748), (7, 94523784), (8, 82708311), (12, 55138874), (14, 47261892), (19, 34824552), (21, 31507928), (24, 27569437), (28, 23630946), (38, 17412276), (42, 15753964), (56, 11815473), (57, 11608184), (76, 8706138), (84, 7876982), (97, 6821304), (114, 5804092), (133, 4974936), (152, 4353069), (168, 3938491), (194, 3410652), (228, 2902046), (266, 2487468), (291, 2273768), (388, 1705326), (399, 1658312), (456, 1451023), (532, 1243734), (582, 1136884), (679, 974472), (776, 852663), (798, 829156), (1064, 621867), (1164, 568442), (1358, 487236), (1596, 414578), (1843, 359016), (2037, 324824), (2137, 309624), (2328, 284221), (2716, 243618), (3192, 207289), (3686, 179508), (4074, 162412), (4274, 154812), (5432, 121809), (5529, 119672), (6411, 103208), (7372, 89754), (8148, 81206), (8548, 77406), (11058, 59836), (12822, 51604), (12901, 51288), (14744, 44877), (14959, 44232), (16296, 40603), (17096, 38703), (22116, 29918), (25644, 25802)]