28218974

素因数分解:

$2^1\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{1481}}^1$

素因数の和:2851

約数の個数: 16

約数和(自身を含む): 48443616

約数和(自身を除く): 20224642

約数列:

[1, 2, 7, 14, 1361, 1481, 2722, 2962, 9527, 10367, 19054, 20734, 2015641, 4031282, 14109487, 28218974]

約数ペア:

[(1, 28218974), (2, 14109487), (7, 4031282), (14, 2015641), (1361, 20734), (1481, 19054), (2722, 10367), (2962, 9527)]