258642721

素因数分解:

${\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 269684800

約数和(自身を除く): 11042079

約数列:

[1, 43, 109, 139, 397, 4687, 5977, 15151, 17071, 43273, 55183, 651493, 1860739, 2372869, 6014947, 258642721]

約数ペア:

[(1, 258642721), (43, 6014947), (109, 2372869), (139, 1860739), (397, 651493), (4687, 55183), (5977, 43273), (15151, 17071)]