71647576

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 188697600

約数和(自身を除く): 117050024

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 23, 26, 28, 44, 46, 52, 56, 77, 88, 91, 92, 104, 143, 154, 161, 182, 184, 253, 286, 299, 308, 322, 364, 389, 506, 572, 598, 616, 644, 728, 778, 1001, 1012, 1144, 1196, 1288, 1556, 1771, 2002, 2024, 2093, 2392, 2723, 3112, 3289, 3542, 4004, 4186, 4279, 5057, 5446, 6578, 7084, 8008, 8372, 8558, 8947, 10114, 10892, 13156, 14168, 16744, 17116, 17894, 20228, 21784, 23023, 26312, 29953, 34232, 35399, 35788, 40456, 46046, 55627, 59906, 62629, 70798, 71576, 92092, 98417, 111254, 116311, 119812, 125258, 141596, 184184, 196834, 222508, 232622, 239624, 250516, 283192, 389389, 393668, 445016, 465244, 501032, 688919, 778778, 787336, 814177, 930488, 1279421, 1377838, 1557556, 1628354, 2558842, 2755676, 3115112, 3256708, 5117684, 5511352, 6513416, 8955947, 10235368, 17911894, 35823788, 71647576]

約数ペア:

[(1, 71647576), (2, 35823788), (4, 17911894), (7, 10235368), (8, 8955947), (11, 6513416), (13, 5511352), (14, 5117684), (22, 3256708), (23, 3115112), (26, 2755676), (28, 2558842), (44, 1628354), (46, 1557556), (52, 1377838), (56, 1279421), (77, 930488), (88, 814177), (91, 787336), (92, 778778), (104, 688919), (143, 501032), (154, 465244), (161, 445016), (182, 393668), (184, 389389), (253, 283192), (286, 250516), (299, 239624), (308, 232622), (322, 222508), (364, 196834), (389, 184184), (506, 141596), (572, 125258), (598, 119812), (616, 116311), (644, 111254), (728, 98417), (778, 92092), (1001, 71576), (1012, 70798), (1144, 62629), (1196, 59906), (1288, 55627), (1556, 46046), (1771, 40456), (2002, 35788), (2024, 35399), (2093, 34232), (2392, 29953), (2723, 26312), (3112, 23023), (3289, 21784), (3542, 20228), (4004, 17894), (4186, 17116), (4279, 16744), (5057, 14168), (5446, 13156), (6578, 10892), (7084, 10114), (8008, 8947), (8372, 8558)]