2079485821

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{19963}}^1$

素因数の和:20640

約数の個数: 16

約数和(自身を含む): 2483841024

約数和(自身を除く): 404355203

約数列:

[1, 7, 23, 161, 647, 4529, 14881, 19963, 104167, 139741, 459149, 3214043, 12916061, 90412427, 297069403, 2079485821]

約数ペア:

[(1, 2079485821), (7, 297069403), (23, 90412427), (161, 12916061), (647, 3214043), (4529, 459149), (14881, 139741), (19963, 104167)]