72539278

素因数分解:

$2^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{20161}}^1$

素因数の和:20427

約数の個数: 16

約数和(自身を含む): 124843104

約数和(自身を除く): 52303826

約数列:

[1, 2, 7, 14, 257, 514, 1799, 3598, 20161, 40322, 141127, 282254, 5181377, 10362754, 36269639, 72539278]

約数ペア:

[(1, 72539278), (2, 36269639), (7, 10362754), (14, 5181377), (257, 282254), (514, 141127), (1799, 40322), (3598, 20161)]