28258776

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 99590400

約数和(自身を除く): 71331624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 24, 26, 28, 36, 38, 39, 42, 52, 56, 57, 63, 72, 76, 78, 84, 91, 104, 114, 117, 126, 133, 152, 156, 168, 171, 182, 227, 228, 234, 247, 252, 266, 273, 312, 342, 364, 399, 454, 456, 468, 494, 504, 532, 546, 681, 684, 728, 741, 798, 819, 908, 936, 988, 1064, 1092, 1197, 1362, 1368, 1482, 1589, 1596, 1638, 1729, 1816, 1976, 2043, 2184, 2223, 2394, 2724, 2951, 2964, 3178, 3192, 3276, 3458, 4086, 4313, 4446, 4767, 4788, 5187, 5448, 5902, 5928, 6356, 6552, 6916, 8172, 8626, 8853, 8892, 9534, 9576, 10374, 11804, 12712, 12939, 13832, 14301, 15561, 16344, 17252, 17706, 17784, 19068, 20657, 20748, 23608, 25878, 26559, 28602, 30191, 31122, 34504, 35412, 38136, 38817, 41314, 41496, 51756, 53118, 56069, 57204, 60382, 61971, 62244, 70824, 77634, 82628, 90573, 103512, 106236, 112138, 114408, 120764, 123942, 124488, 155268, 165256, 168207, 181146, 185913, 212472, 224276, 241528, 247884, 271719, 310536, 336414, 362292, 371826, 392483, 448552, 495768, 504621, 543438, 672828, 724584, 743652, 784966, 1009242, 1086876, 1177449, 1345656, 1487304, 1569932, 2018484, 2173752, 2354898, 3139864, 3532347, 4036968, 4709796, 7064694, 9419592, 14129388, 28258776]

約数ペア:

[(1, 28258776), (2, 14129388), (3, 9419592), (4, 7064694), (6, 4709796), (7, 4036968), (8, 3532347), (9, 3139864), (12, 2354898), (13, 2173752), (14, 2018484), (18, 1569932), (19, 1487304), (21, 1345656), (24, 1177449), (26, 1086876), (28, 1009242), (36, 784966), (38, 743652), (39, 724584), (42, 672828), (52, 543438), (56, 504621), (57, 495768), (63, 448552), (72, 392483), (76, 371826), (78, 362292), (84, 336414), (91, 310536), (104, 271719), (114, 247884), (117, 241528), (126, 224276), (133, 212472), (152, 185913), (156, 181146), (168, 168207), (171, 165256), (182, 155268), (227, 124488), (228, 123942), (234, 120764), (247, 114408), (252, 112138), (266, 106236), (273, 103512), (312, 90573), (342, 82628), (364, 77634), (399, 70824), (454, 62244), (456, 61971), (468, 60382), (494, 57204), (504, 56069), (532, 53118), (546, 51756), (681, 41496), (684, 41314), (728, 38817), (741, 38136), (798, 35412), (819, 34504), (908, 31122), (936, 30191), (988, 28602), (1064, 26559), (1092, 25878), (1197, 23608), (1362, 20748), (1368, 20657), (1482, 19068), (1589, 17784), (1596, 17706), (1638, 17252), (1729, 16344), (1816, 15561), (1976, 14301), (2043, 13832), (2184, 12939), (2223, 12712), (2394, 11804), (2724, 10374), (2951, 9576), (2964, 9534), (3178, 8892), (3192, 8853), (3276, 8626), (3458, 8172), (4086, 6916), (4313, 6552), (4446, 6356), (4767, 5928), (4788, 5902), (5187, 5448)]