266798896

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 687955968

約数和(自身を除く): 421157072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 31, 46, 52, 56, 62, 91, 92, 104, 112, 124, 161, 182, 184, 208, 217, 248, 257, 299, 322, 364, 368, 403, 434, 496, 514, 598, 644, 713, 728, 806, 868, 1028, 1196, 1288, 1426, 1456, 1612, 1736, 1799, 2056, 2093, 2392, 2576, 2821, 2852, 3224, 3341, 3472, 3598, 4112, 4186, 4784, 4991, 5642, 5704, 5911, 6448, 6682, 7196, 7967, 8372, 9269, 9982, 11284, 11408, 11822, 13364, 14392, 15934, 16744, 18538, 19964, 22568, 23387, 23644, 26728, 28784, 31868, 33488, 37076, 39928, 41377, 45136, 46774, 47288, 53456, 55769, 63736, 64883, 74152, 76843, 79856, 82754, 93548, 94576, 103571, 111538, 127472, 129766, 148304, 153686, 165508, 183241, 187096, 207142, 223076, 259532, 307372, 331016, 366482, 374192, 414284, 446152, 519064, 537901, 614744, 662032, 724997, 732964, 828568, 892304, 1038128, 1075802, 1229488, 1282687, 1449994, 1465928, 1657136, 2151604, 2382133, 2565374, 2899988, 2931856, 4303208, 4764266, 5130748, 5799976, 8606416, 9528532, 10261496, 11599952, 16674931, 19057064, 20522992, 33349862, 38114128, 66699724, 133399448, 266798896]

約数ペア:

[(1, 266798896), (2, 133399448), (4, 66699724), (7, 38114128), (8, 33349862), (13, 20522992), (14, 19057064), (16, 16674931), (23, 11599952), (26, 10261496), (28, 9528532), (31, 8606416), (46, 5799976), (52, 5130748), (56, 4764266), (62, 4303208), (91, 2931856), (92, 2899988), (104, 2565374), (112, 2382133), (124, 2151604), (161, 1657136), (182, 1465928), (184, 1449994), (208, 1282687), (217, 1229488), (248, 1075802), (257, 1038128), (299, 892304), (322, 828568), (364, 732964), (368, 724997), (403, 662032), (434, 614744), (496, 537901), (514, 519064), (598, 446152), (644, 414284), (713, 374192), (728, 366482), (806, 331016), (868, 307372), (1028, 259532), (1196, 223076), (1288, 207142), (1426, 187096), (1456, 183241), (1612, 165508), (1736, 153686), (1799, 148304), (2056, 129766), (2093, 127472), (2392, 111538), (2576, 103571), (2821, 94576), (2852, 93548), (3224, 82754), (3341, 79856), (3472, 76843), (3598, 74152), (4112, 64883), (4186, 63736), (4784, 55769), (4991, 53456), (5642, 47288), (5704, 46774), (5911, 45136), (6448, 41377), (6682, 39928), (7196, 37076), (7967, 33488), (8372, 31868), (9269, 28784), (9982, 26728), (11284, 23644), (11408, 23387), (11822, 22568), (13364, 19964), (14392, 18538), (15934, 16744)]