1990208

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 42

約数和(自身を含む): 4357878

約数和(自身を除く): 2367670

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 257, 352, 484, 514, 704, 968, 1028, 1936, 2056, 2827, 3872, 4112, 5654, 7744, 8224, 11308, 16448, 22616, 31097, 45232, 62194, 90464, 124388, 180928, 248776, 497552, 995104, 1990208]

約数ペア:

[(1, 1990208), (2, 995104), (4, 497552), (8, 248776), (11, 180928), (16, 124388), (22, 90464), (32, 62194), (44, 45232), (64, 31097), (88, 22616), (121, 16448), (176, 11308), (242, 8224), (257, 7744), (352, 5654), (484, 4112), (514, 3872), (704, 2827), (968, 2056), (1028, 1936)]