28678426

素因数分解:

$2^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{829}}^1$

素因数の和:1198

約数の個数: 24

約数和(自身を含む): 50243220

約数和(自身を除く): 21564794

約数列:

[1, 2, 7, 14, 49, 98, 353, 706, 829, 1658, 2471, 4942, 5803, 11606, 17297, 34594, 40621, 81242, 292637, 585274, 2048459, 4096918, 14339213, 28678426]

約数ペア:

[(1, 28678426), (2, 14339213), (7, 4096918), (14, 2048459), (49, 585274), (98, 292637), (353, 81242), (706, 40621), (829, 34594), (1658, 17297), (2471, 11606), (4942, 5803)]