258201216

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:864

約数の個数: 256

約数和(自身を含む): 939052800

約数和(自身を除く): 680851584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 64, 72, 78, 84, 91, 96, 104, 108, 112, 117, 126, 128, 144, 156, 168, 182, 189, 192, 208, 216, 224, 234, 252, 273, 288, 312, 336, 351, 364, 378, 384, 416, 432, 448, 468, 504, 546, 576, 624, 672, 702, 728, 756, 819, 821, 832, 864, 896, 936, 1008, 1092, 1152, 1248, 1344, 1404, 1456, 1512, 1638, 1642, 1664, 1728, 1872, 2016, 2184, 2457, 2463, 2496, 2688, 2808, 2912, 3024, 3276, 3284, 3456, 3744, 4032, 4368, 4914, 4926, 4992, 5616, 5747, 5824, 6048, 6552, 6568, 7389, 7488, 8064, 8736, 9828, 9852, 10673, 11232, 11494, 11648, 12096, 13104, 13136, 14778, 14976, 17241, 17472, 19656, 19704, 21346, 22167, 22464, 22988, 24192, 26208, 26272, 29556, 32019, 34482, 34944, 39312, 39408, 42692, 44334, 44928, 45976, 51723, 52416, 52544, 59112, 64038, 68964, 74711, 78624, 78816, 85384, 88668, 91952, 96057, 103446, 104832, 105088, 118224, 128076, 137928, 149422, 155169, 157248, 157632, 170768, 177336, 183904, 192114, 206892, 224133, 236448, 256152, 275856, 288171, 298844, 310338, 314496, 315264, 341536, 354672, 367808, 384228, 413784, 448266, 472896, 512304, 551712, 576342, 597688, 620676, 672399, 683072, 709344, 735616, 768456, 827568, 896532, 945792, 1024608, 1103424, 1152684, 1195376, 1241352, 1344798, 1366144, 1418688, 1536912, 1655136, 1793064, 2017197, 2049216, 2206848, 2305368, 2390752, 2482704, 2689596, 2837376, 3073824, 3310272, 3586128, 4034394, 4098432, 4610736, 4781504, 4965408, 5379192, 6147648, 6620544, 7172256, 8068788, 9221472, 9563008, 9930816, 10758384, 12295296, 14344512, 16137576, 18442944, 19861632, 21516768, 28689024, 32275152, 36885888, 43033536, 64550304, 86067072, 129100608, 258201216]

約数ペア:

[(1, 258201216), (2, 129100608), (3, 86067072), (4, 64550304), (6, 43033536), (7, 36885888), (8, 32275152), (9, 28689024), (12, 21516768), (13, 19861632), (14, 18442944), (16, 16137576), (18, 14344512), (21, 12295296), (24, 10758384), (26, 9930816), (27, 9563008), (28, 9221472), (32, 8068788), (36, 7172256), (39, 6620544), (42, 6147648), (48, 5379192), (52, 4965408), (54, 4781504), (56, 4610736), (63, 4098432), (64, 4034394), (72, 3586128), (78, 3310272), (84, 3073824), (91, 2837376), (96, 2689596), (104, 2482704), (108, 2390752), (112, 2305368), (117, 2206848), (126, 2049216), (128, 2017197), (144, 1793064), (156, 1655136), (168, 1536912), (182, 1418688), (189, 1366144), (192, 1344798), (208, 1241352), (216, 1195376), (224, 1152684), (234, 1103424), (252, 1024608), (273, 945792), (288, 896532), (312, 827568), (336, 768456), (351, 735616), (364, 709344), (378, 683072), (384, 672399), (416, 620676), (432, 597688), (448, 576342), (468, 551712), (504, 512304), (546, 472896), (576, 448266), (624, 413784), (672, 384228), (702, 367808), (728, 354672), (756, 341536), (819, 315264), (821, 314496), (832, 310338), (864, 298844), (896, 288171), (936, 275856), (1008, 256152), (1092, 236448), (1152, 224133), (1248, 206892), (1344, 192114), (1404, 183904), (1456, 177336), (1512, 170768), (1638, 157632), (1642, 157248), (1664, 155169), (1728, 149422), (1872, 137928), (2016, 128076), (2184, 118224), (2457, 105088), (2463, 104832), (2496, 103446), (2688, 96057), (2808, 91952), (2912, 88668), (3024, 85384), (3276, 78816), (3284, 78624), (3456, 74711), (3744, 68964), (4032, 64038), (4368, 59112), (4914, 52544), (4926, 52416), (4992, 51723), (5616, 45976), (5747, 44928), (5824, 44334), (6048, 42692), (6552, 39408), (6568, 39312), (7389, 34944), (7488, 34482), (8064, 32019), (8736, 29556), (9828, 26272), (9852, 26208), (10673, 24192), (11232, 22988), (11494, 22464), (11648, 22167), (12096, 21346), (13104, 19704), (13136, 19656), (14778, 17472), (14976, 17241)]