3980416

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{257}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 8750070

約数和(自身を除く): 4769654

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 257, 352, 484, 514, 704, 968, 1028, 1408, 1936, 2056, 2827, 3872, 4112, 5654, 7744, 8224, 11308, 15488, 16448, 22616, 31097, 32896, 45232, 62194, 90464, 124388, 180928, 248776, 361856, 497552, 995104, 1990208, 3980416]

約数ペア:

[(1, 3980416), (2, 1990208), (4, 995104), (8, 497552), (11, 361856), (16, 248776), (22, 180928), (32, 124388), (44, 90464), (64, 62194), (88, 45232), (121, 32896), (128, 31097), (176, 22616), (242, 16448), (257, 15488), (352, 11308), (484, 8224), (514, 7744), (704, 5654), (968, 4112), (1028, 3872), (1408, 2827), (1936, 2056)]