211320208

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{9923}}^1$

素因数の和:9964

約数の個数: 40

約数和(自身を含む): 450390816

約数和(自身を除く): 239070608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1331, 1936, 2662, 5324, 9923, 10648, 19846, 21296, 39692, 79384, 109153, 158768, 218306, 436612, 873224, 1200683, 1746448, 2401366, 4802732, 9605464, 13207513, 19210928, 26415026, 52830052, 105660104, 211320208]

約数ペア:

[(1, 211320208), (2, 105660104), (4, 52830052), (8, 26415026), (11, 19210928), (16, 13207513), (22, 9605464), (44, 4802732), (88, 2401366), (121, 1746448), (176, 1200683), (242, 873224), (484, 436612), (968, 218306), (1331, 158768), (1936, 109153), (2662, 79384), (5324, 39692), (9923, 21296), (10648, 19846)]