258297029158

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{138720209}}^1$

素因数の和:138720244

約数の個数: 24

約数和(自身を含む): 474423118200

約数和(自身を除く): 216126089042

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 138720209, 277440418, 971041463, 1942082926, 2635683971, 5271367942, 6797290241, 13594580482, 18449787797, 36899575594, 129148514579, 258297029158]

約数ペア:

[(1, 258297029158), (2, 129148514579), (7, 36899575594), (14, 18449787797), (19, 13594580482), (38, 6797290241), (49, 5271367942), (98, 2635683971), (133, 1942082926), (266, 971041463), (931, 277440418), (1862, 138720209)]