197902081

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{2309}}^1$

素因数の和:2688

約数の個数: 16

約数和(自身を含む): 225086400

約数和(自身を除く): 27184319

約数列:

[1, 13, 19, 247, 347, 2309, 4511, 6593, 30017, 43871, 85709, 570323, 801223, 10415899, 15223237, 197902081]

約数ペア:

[(1, 197902081), (13, 15223237), (19, 10415899), (247, 801223), (347, 570323), (2309, 85709), (4511, 43871), (6593, 30017)]