208530688

素因数分解:

$2^8\times {\mathrm{647}}^1\times {\mathrm{1259}}^1$

素因数の和:1922

約数の個数: 36

約数和(自身を含む): 417221280

約数和(自身を除く): 208690592

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 647, 1259, 1294, 2518, 2588, 5036, 5176, 10072, 10352, 20144, 20704, 40288, 41408, 80576, 82816, 161152, 165632, 322304, 814573, 1629146, 3258292, 6516584, 13033168, 26066336, 52132672, 104265344, 208530688]

約数ペア:

[(1, 208530688), (2, 104265344), (4, 52132672), (8, 26066336), (16, 13033168), (32, 6516584), (64, 3258292), (128, 1629146), (256, 814573), (647, 322304), (1259, 165632), (1294, 161152), (2518, 82816), (2588, 80576), (5036, 41408), (5176, 40288), (10072, 20704), (10352, 20144)]