268537984

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:918

約数の個数: 128

約数和(自身を含む): 666247680

約数和(自身を除く): 397709696

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 64, 68, 88, 104, 128, 136, 143, 176, 187, 208, 221, 272, 286, 352, 374, 416, 442, 544, 572, 704, 748, 832, 863, 884, 1088, 1144, 1408, 1496, 1664, 1726, 1768, 2176, 2288, 2431, 2992, 3452, 3536, 4576, 4862, 5984, 6904, 7072, 9152, 9493, 9724, 11219, 11968, 13808, 14144, 14671, 18304, 18986, 19448, 22438, 23936, 27616, 28288, 29342, 37972, 38896, 44876, 55232, 58684, 75944, 77792, 89752, 110464, 117368, 123409, 151888, 155584, 161381, 179504, 190723, 234736, 246818, 303776, 311168, 322762, 359008, 381446, 469472, 493636, 607552, 645524, 718016, 762892, 938944, 987272, 1215104, 1291048, 1436032, 1525784, 1877888, 1974544, 2097953, 2582096, 3051568, 3949088, 4195906, 5164192, 6103136, 7898176, 8391812, 10328384, 12206272, 15796352, 16783624, 20656768, 24412544, 33567248, 67134496, 134268992, 268537984]

約数ペア:

[(1, 268537984), (2, 134268992), (4, 67134496), (8, 33567248), (11, 24412544), (13, 20656768), (16, 16783624), (17, 15796352), (22, 12206272), (26, 10328384), (32, 8391812), (34, 7898176), (44, 6103136), (52, 5164192), (64, 4195906), (68, 3949088), (88, 3051568), (104, 2582096), (128, 2097953), (136, 1974544), (143, 1877888), (176, 1525784), (187, 1436032), (208, 1291048), (221, 1215104), (272, 987272), (286, 938944), (352, 762892), (374, 718016), (416, 645524), (442, 607552), (544, 493636), (572, 469472), (704, 381446), (748, 359008), (832, 322762), (863, 311168), (884, 303776), (1088, 246818), (1144, 234736), (1408, 190723), (1496, 179504), (1664, 161381), (1726, 155584), (1768, 151888), (2176, 123409), (2288, 117368), (2431, 110464), (2992, 89752), (3452, 77792), (3536, 75944), (4576, 58684), (4862, 55232), (5984, 44876), (6904, 38896), (7072, 37972), (9152, 29342), (9493, 28288), (9724, 27616), (11219, 23936), (11968, 22438), (13808, 19448), (14144, 18986), (14671, 18304)]