28811426

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{10663}}^1$

素因数の和:10865

約数の個数: 16

約数和(自身を含む): 49651584

約数和(自身を除く): 20840158

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 10663, 21326, 74641, 149282, 2057959, 4115918, 14405713, 28811426]

約数ペア:

[(1, 28811426), (2, 14405713), (7, 4115918), (14, 2057959), (193, 149282), (386, 74641), (1351, 21326), (2702, 10663)]