639662144

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{82601}}^1$

素因数の和:82635

約数の個数: 42

約数和(自身を含む): 1395230382

約数和(自身を除く): 755568238

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1936, 3872, 7744, 82601, 165202, 330404, 660808, 908611, 1321616, 1817222, 2643232, 3634444, 5286464, 7268888, 9994721, 14537776, 19989442, 29075552, 39978884, 58151104, 79957768, 159915536, 319831072, 639662144]

約数ペア:

[(1, 639662144), (2, 319831072), (4, 159915536), (8, 79957768), (11, 58151104), (16, 39978884), (22, 29075552), (32, 19989442), (44, 14537776), (64, 9994721), (88, 7268888), (121, 5286464), (176, 3634444), (242, 2643232), (352, 1817222), (484, 1321616), (704, 908611), (968, 660808), (1936, 330404), (3872, 165202), (7744, 82601)]