257815487

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3571}}^1$

素因数の和:3710

約数の個数: 16

約数和(自身を含む): 279130368

約数和(自身を除く): 21314881

約数列:

[1, 23, 43, 73, 989, 1679, 3139, 3571, 72197, 82133, 153553, 260683, 3531719, 5995709, 11209369, 257815487]

約数ペア:

[(1, 257815487), (23, 11209369), (43, 5995709), (73, 3531719), (989, 260683), (1679, 153553), (3139, 82133), (3571, 72197)]