131353728

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^3\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 385266240

約数和(自身を除く): 253912512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 121, 128, 132, 176, 192, 242, 257, 264, 352, 363, 384, 484, 514, 528, 704, 726, 771, 968, 1028, 1056, 1331, 1408, 1452, 1542, 1936, 2056, 2112, 2662, 2827, 2904, 3084, 3872, 3993, 4112, 4224, 5324, 5654, 5808, 6168, 7744, 7986, 8224, 8481, 10648, 11308, 11616, 12336, 15488, 15972, 16448, 16962, 21296, 22616, 23232, 24672, 31097, 31944, 32896, 33924, 42592, 45232, 46464, 49344, 62194, 63888, 67848, 85184, 90464, 93291, 98688, 124388, 127776, 135696, 170368, 180928, 186582, 248776, 255552, 271392, 342067, 361856, 373164, 497552, 511104, 542784, 684134, 746328, 995104, 1026201, 1085568, 1368268, 1492656, 1990208, 2052402, 2736536, 2985312, 3980416, 4104804, 5473072, 5970624, 8209608, 10946144, 11941248, 16419216, 21892288, 32838432, 43784576, 65676864, 131353728]

約数ペア:

[(1, 131353728), (2, 65676864), (3, 43784576), (4, 32838432), (6, 21892288), (8, 16419216), (11, 11941248), (12, 10946144), (16, 8209608), (22, 5970624), (24, 5473072), (32, 4104804), (33, 3980416), (44, 2985312), (48, 2736536), (64, 2052402), (66, 1990208), (88, 1492656), (96, 1368268), (121, 1085568), (128, 1026201), (132, 995104), (176, 746328), (192, 684134), (242, 542784), (257, 511104), (264, 497552), (352, 373164), (363, 361856), (384, 342067), (484, 271392), (514, 255552), (528, 248776), (704, 186582), (726, 180928), (771, 170368), (968, 135696), (1028, 127776), (1056, 124388), (1331, 98688), (1408, 93291), (1452, 90464), (1542, 85184), (1936, 67848), (2056, 63888), (2112, 62194), (2662, 49344), (2827, 46464), (2904, 45232), (3084, 42592), (3872, 33924), (3993, 32896), (4112, 31944), (4224, 31097), (5324, 24672), (5654, 23232), (5808, 22616), (6168, 21296), (7744, 16962), (7986, 16448), (8224, 15972), (8481, 15488), (10648, 12336), (11308, 11616)]