28490854

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{6761}}^1$

素因数の和:6820

約数の個数: 24

約数和(自身を含む): 50877288

約数和(自身を除く): 22386434

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 6761, 13522, 47327, 94654, 290723, 331289, 581446, 662578, 2035061, 4070122, 14245427, 28490854]

約数ペア:

[(1, 28490854), (2, 14245427), (7, 4070122), (14, 2035061), (43, 662578), (49, 581446), (86, 331289), (98, 290723), (301, 94654), (602, 47327), (2107, 13522), (4214, 6761)]