78342173

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20021}}^1$

素因数の和:20084

約数の個数: 16

約数和(自身を含む): 98668416

約数和(自身を除く): 20326243

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 20021, 140147, 260273, 860903, 1821911, 6026321, 11191739, 78342173]

約数ペア:

[(1, 78342173), (7, 11191739), (13, 6026321), (43, 1821911), (91, 860903), (301, 260273), (559, 140147), (3913, 20021)]