128912384

素因数分解:

$2^{10}\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 66

約数和(自身を含む): 268312572

約数和(自身を除く): 139400188

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 131, 248, 256, 262, 496, 512, 524, 961, 992, 1024, 1048, 1922, 1984, 2096, 3844, 3968, 4061, 4192, 7688, 7936, 8122, 8384, 15376, 15872, 16244, 16768, 30752, 31744, 32488, 33536, 61504, 64976, 67072, 123008, 125891, 129952, 134144, 246016, 251782, 259904, 492032, 503564, 519808, 984064, 1007128, 1039616, 2014256, 2079232, 4028512, 4158464, 8057024, 16114048, 32228096, 64456192, 128912384]

約数ペア:

[(1, 128912384), (2, 64456192), (4, 32228096), (8, 16114048), (16, 8057024), (31, 4158464), (32, 4028512), (62, 2079232), (64, 2014256), (124, 1039616), (128, 1007128), (131, 984064), (248, 519808), (256, 503564), (262, 492032), (496, 259904), (512, 251782), (524, 246016), (961, 134144), (992, 129952), (1024, 125891), (1048, 123008), (1922, 67072), (1984, 64976), (2096, 61504), (3844, 33536), (3968, 32488), (4061, 31744), (4192, 30752), (7688, 16768), (7936, 16244), (8122, 15872), (8384, 15376)]