868276591

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{42787}}^1$

素因数の和:43030

約数の個数: 16

約数和(自身を含む): 1073465344

約数和(自身を除く): 205188753

約数列:

[1, 7, 13, 91, 223, 1561, 2899, 20293, 42787, 299509, 556231, 3893617, 9541501, 66790507, 124039513, 868276591]

約数ペア:

[(1, 868276591), (7, 124039513), (13, 66790507), (91, 9541501), (223, 3893617), (1561, 556231), (2899, 299509), (20293, 42787)]