205219777

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{4021}}^1$

素因数の和:4368

約数の個数: 16

約数和(自身を含む): 245567232

約数和(自身を除く): 40347455

約数列:

[1, 7, 23, 161, 317, 2219, 4021, 7291, 28147, 51037, 92483, 647381, 1274657, 8922599, 29317111, 205219777]

約数ペア:

[(1, 205219777), (7, 29317111), (23, 8922599), (161, 1274657), (317, 647381), (2219, 92483), (4021, 51037), (7291, 28147)]