247707907

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^2$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 273867264

約数和(自身を除く): 26159357

約数列:

[1, 23, 43, 47, 73, 989, 1081, 1679, 2021, 3139, 3431, 5329, 46483, 72197, 78913, 122567, 147533, 229147, 250463, 3393259, 5270381, 5760649, 10769909, 247707907]

約数ペア:

[(1, 247707907), (23, 10769909), (43, 5760649), (47, 5270381), (73, 3393259), (989, 250463), (1081, 229147), (1679, 147533), (2021, 122567), (3139, 78913), (3431, 72197), (5329, 46483)]