2896760881

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{63499}}^1$

素因数の和:63546

約数の個数: 20

約数和(自身を含む): 3557270000

約数和(自身を除く): 660509119

約数列:

[1, 7, 19, 49, 133, 343, 931, 2401, 6517, 45619, 63499, 444493, 1206481, 3111451, 8445367, 21780157, 59117569, 152461099, 413822983, 2896760881]

約数ペア:

[(1, 2896760881), (7, 413822983), (19, 152461099), (49, 59117569), (133, 21780157), (343, 8445367), (931, 3111451), (2401, 1206481), (6517, 444493), (45619, 63499)]