85978991

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{2767}}^1$

素因数の和:2990

約数の個数: 16

約数和(自身を含む): 103102464

約数和(自身を除く): 17123473

約数列:

[1, 7, 23, 161, 193, 1351, 2767, 4439, 19369, 31073, 63641, 445487, 534031, 3738217, 12282713, 85978991]

約数ペア:

[(1, 85978991), (7, 12282713), (23, 3738217), (161, 534031), (193, 445487), (1351, 63641), (2767, 31073), (4439, 19369)]