268541278

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{19889}}^1$

素因数の和:20091

約数の個数: 16

約数和(自身を含む): 414825840

約数和(自身を除く): 146284562

約数列:

[1, 2, 43, 86, 157, 314, 6751, 13502, 19889, 39778, 855227, 1710454, 3122573, 6245146, 134270639, 268541278]

約数ペア:

[(1, 268541278), (2, 134270639), (43, 6245146), (86, 3122573), (157, 1710454), (314, 855227), (6751, 39778), (13502, 19889)]