278392128

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:389

約数の個数: 168

約数和(自身を含む): 867290112

約数和(自身を除く): 588897984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 127, 147, 168, 192, 196, 224, 233, 254, 294, 336, 381, 392, 448, 466, 508, 588, 672, 699, 762, 784, 889, 932, 1016, 1176, 1344, 1398, 1524, 1568, 1631, 1778, 1864, 2032, 2352, 2667, 2796, 3048, 3136, 3262, 3556, 3728, 4064, 4704, 4893, 5334, 5592, 6096, 6223, 6524, 7112, 7456, 8128, 9408, 9786, 10668, 11184, 11417, 12192, 12446, 13048, 14224, 14912, 18669, 19572, 21336, 22368, 22834, 24384, 24892, 26096, 28448, 29591, 34251, 37338, 39144, 42672, 44736, 45668, 49784, 52192, 56896, 59182, 68502, 74676, 78288, 85344, 88773, 91336, 99568, 104384, 118364, 137004, 149352, 156576, 170688, 177546, 182672, 199136, 207137, 236728, 274008, 298704, 313152, 355092, 365344, 398272, 414274, 473456, 548016, 597408, 621411, 710184, 730688, 828548, 946912, 1096032, 1194816, 1242822, 1420368, 1449959, 1657096, 1893824, 2192064, 2485644, 2840736, 2899918, 3314192, 4349877, 4971288, 5681472, 5799836, 6628384, 8699754, 9942576, 11599672, 13256768, 17399508, 19885152, 23199344, 34799016, 39770304, 46398688, 69598032, 92797376, 139196064, 278392128]

約数ペア:

[(1, 278392128), (2, 139196064), (3, 92797376), (4, 69598032), (6, 46398688), (7, 39770304), (8, 34799016), (12, 23199344), (14, 19885152), (16, 17399508), (21, 13256768), (24, 11599672), (28, 9942576), (32, 8699754), (42, 6628384), (48, 5799836), (49, 5681472), (56, 4971288), (64, 4349877), (84, 3314192), (96, 2899918), (98, 2840736), (112, 2485644), (127, 2192064), (147, 1893824), (168, 1657096), (192, 1449959), (196, 1420368), (224, 1242822), (233, 1194816), (254, 1096032), (294, 946912), (336, 828548), (381, 730688), (392, 710184), (448, 621411), (466, 597408), (508, 548016), (588, 473456), (672, 414274), (699, 398272), (762, 365344), (784, 355092), (889, 313152), (932, 298704), (1016, 274008), (1176, 236728), (1344, 207137), (1398, 199136), (1524, 182672), (1568, 177546), (1631, 170688), (1778, 156576), (1864, 149352), (2032, 137004), (2352, 118364), (2667, 104384), (2796, 99568), (3048, 91336), (3136, 88773), (3262, 85344), (3556, 78288), (3728, 74676), (4064, 68502), (4704, 59182), (4893, 56896), (5334, 52192), (5592, 49784), (6096, 45668), (6223, 44736), (6524, 42672), (7112, 39144), (7456, 37338), (8128, 34251), (9408, 29591), (9786, 28448), (10668, 26096), (11184, 24892), (11417, 24384), (12192, 22834), (12446, 22368), (13048, 21336), (14224, 19572), (14912, 18669)]