278839708

素因数分解:

$2^2\times 7^1\times {\mathrm{977}}^1\times {\mathrm{10193}}^1$

素因数の和:11181

約数の個数: 24

約数和(自身を含む): 558304992

約数和(自身を除く): 279465284

約数列:

[1, 2, 4, 7, 14, 28, 977, 1954, 3908, 6839, 10193, 13678, 20386, 27356, 40772, 71351, 142702, 285404, 9958561, 19917122, 39834244, 69709927, 139419854, 278839708]

約数ペア:

[(1, 278839708), (2, 139419854), (4, 69709927), (7, 39834244), (14, 19917122), (28, 9958561), (977, 285404), (1954, 142702), (3908, 71351), (6839, 40772), (10193, 27356), (13678, 20386)]