128707072

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:409

約数の個数: 80

約数和(自身を含む): 282372552

約数和(自身を除く): 153665480

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 256, 317, 416, 488, 512, 634, 793, 832, 976, 1268, 1586, 1664, 1952, 2536, 3172, 3328, 3904, 4121, 5072, 6344, 6656, 7808, 8242, 10144, 12688, 15616, 16484, 19337, 20288, 25376, 31232, 32968, 38674, 40576, 50752, 65936, 77348, 81152, 101504, 131872, 154696, 162304, 203008, 251381, 263744, 309392, 406016, 502762, 527488, 618784, 1005524, 1054976, 1237568, 2011048, 2109952, 2475136, 4022096, 4950272, 8044192, 9900544, 16088384, 32176768, 64353536, 128707072]

約数ペア:

[(1, 128707072), (2, 64353536), (4, 32176768), (8, 16088384), (13, 9900544), (16, 8044192), (26, 4950272), (32, 4022096), (52, 2475136), (61, 2109952), (64, 2011048), (104, 1237568), (122, 1054976), (128, 1005524), (208, 618784), (244, 527488), (256, 502762), (317, 406016), (416, 309392), (488, 263744), (512, 251381), (634, 203008), (793, 162304), (832, 154696), (976, 131872), (1268, 101504), (1586, 81152), (1664, 77348), (1952, 65936), (2536, 50752), (3172, 40576), (3328, 38674), (3904, 32968), (4121, 31232), (5072, 25376), (6344, 20288), (6656, 19337), (7808, 16484), (8242, 15616), (10144, 12688)]