128481856

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{2089}}^1$

素因数の和:2163

約数の個数: 42

約数和(自身を含む): 263571990

約数和(自身を除く): 135090134

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 961, 992, 1922, 1984, 2089, 3844, 4178, 7688, 8356, 15376, 16712, 30752, 33424, 61504, 64759, 66848, 129518, 133696, 259036, 518072, 1036144, 2007529, 2072288, 4015058, 4144576, 8030116, 16060232, 32120464, 64240928, 128481856]

約数ペア:

[(1, 128481856), (2, 64240928), (4, 32120464), (8, 16060232), (16, 8030116), (31, 4144576), (32, 4015058), (62, 2072288), (64, 2007529), (124, 1036144), (248, 518072), (496, 259036), (961, 133696), (992, 129518), (1922, 66848), (1984, 64759), (2089, 61504), (3844, 33424), (4178, 30752), (7688, 16712), (8356, 15376)]