489304816

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 1287917568

約数和(自身を除く): 798612752

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 137, 143, 154, 176, 182, 208, 223, 274, 286, 308, 364, 446, 548, 572, 616, 728, 892, 959, 1001, 1096, 1144, 1232, 1456, 1507, 1561, 1781, 1784, 1918, 2002, 2192, 2288, 2453, 2899, 3014, 3122, 3562, 3568, 3836, 4004, 4906, 5798, 6028, 6244, 7124, 7672, 8008, 9812, 10549, 11596, 12056, 12467, 12488, 14248, 15344, 16016, 17171, 19591, 19624, 20293, 21098, 23192, 24112, 24934, 24976, 28496, 30551, 31889, 34342, 39182, 39248, 40586, 42196, 46384, 49868, 61102, 63778, 68684, 78364, 81172, 84392, 99736, 122204, 127556, 137137, 137368, 156728, 162344, 168784, 199472, 213857, 223223, 244408, 255112, 274274, 274736, 313456, 324688, 336061, 397163, 427714, 446446, 488816, 510224, 548548, 672122, 794326, 855428, 892892, 1097096, 1344244, 1588652, 1710856, 1785784, 2194192, 2352427, 2688488, 2780141, 3177304, 3421712, 3571568, 4368793, 4704854, 5376976, 5560282, 6354608, 8737586, 9409708, 11120564, 17475172, 18819416, 22241128, 30581551, 34950344, 37638832, 44482256, 61163102, 69900688, 122326204, 244652408, 489304816]

約数ペア:

[(1, 489304816), (2, 244652408), (4, 122326204), (7, 69900688), (8, 61163102), (11, 44482256), (13, 37638832), (14, 34950344), (16, 30581551), (22, 22241128), (26, 18819416), (28, 17475172), (44, 11120564), (52, 9409708), (56, 8737586), (77, 6354608), (88, 5560282), (91, 5376976), (104, 4704854), (112, 4368793), (137, 3571568), (143, 3421712), (154, 3177304), (176, 2780141), (182, 2688488), (208, 2352427), (223, 2194192), (274, 1785784), (286, 1710856), (308, 1588652), (364, 1344244), (446, 1097096), (548, 892892), (572, 855428), (616, 794326), (728, 672122), (892, 548548), (959, 510224), (1001, 488816), (1096, 446446), (1144, 427714), (1232, 397163), (1456, 336061), (1507, 324688), (1561, 313456), (1781, 274736), (1784, 274274), (1918, 255112), (2002, 244408), (2192, 223223), (2288, 213857), (2453, 199472), (2899, 168784), (3014, 162344), (3122, 156728), (3562, 137368), (3568, 137137), (3836, 127556), (4004, 122204), (4906, 99736), (5798, 84392), (6028, 81172), (6244, 78364), (7124, 68684), (7672, 63778), (8008, 61102), (9812, 49868), (10549, 46384), (11596, 42196), (12056, 40586), (12467, 39248), (12488, 39182), (14248, 34342), (15344, 31889), (16016, 30551), (17171, 28496), (19591, 24976), (19624, 24934), (20293, 24112), (21098, 23192)]