256717696

素因数分解:

$2^7\times {\mathrm{31}}^2\times {\mathrm{2087}}^1$

素因数の和:2163

約数の個数: 48

約数和(自身を含む): 528712920

約数和(自身を除く): 271995224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 961, 992, 1922, 1984, 2087, 3844, 3968, 4174, 7688, 8348, 15376, 16696, 30752, 33392, 61504, 64697, 66784, 123008, 129394, 133568, 258788, 267136, 517576, 1035152, 2005607, 2070304, 4011214, 4140608, 8022428, 8281216, 16044856, 32089712, 64179424, 128358848, 256717696]

約数ペア:

[(1, 256717696), (2, 128358848), (4, 64179424), (8, 32089712), (16, 16044856), (31, 8281216), (32, 8022428), (62, 4140608), (64, 4011214), (124, 2070304), (128, 2005607), (248, 1035152), (496, 517576), (961, 267136), (992, 258788), (1922, 133568), (1984, 129394), (2087, 123008), (3844, 66784), (3968, 64697), (4174, 61504), (7688, 33392), (8348, 30752), (15376, 16696)]