28994212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12967}}^1$

素因数の和:13027

約数の個数: 24

約数和(自身を含む): 55918016

約数和(自身を除く): 26923804

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 12967, 25934, 51868, 168571, 337142, 557581, 674284, 1115162, 2230324, 7248553, 14497106, 28994212]

約数ペア:

[(1, 28994212), (2, 14497106), (4, 7248553), (13, 2230324), (26, 1115162), (43, 674284), (52, 557581), (86, 337142), (172, 168571), (559, 51868), (1118, 25934), (2236, 12967)]