68275487

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 79394112

約数和(自身を除く): 11118625

約数列:

[1, 7, 97, 193, 521, 679, 1351, 3647, 18721, 50537, 100553, 131047, 353759, 703871, 9753641, 68275487]

約数ペア:

[(1, 68275487), (7, 9753641), (97, 703871), (193, 353759), (521, 131047), (679, 100553), (1351, 50537), (3647, 18721)]