855403787

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{129587}}^1$

素因数の和:129658

約数の個数: 16

約数和(自身を含む): 1044997632

約数和(自身を除く): 189593845

約数列:

[1, 7, 23, 41, 161, 287, 943, 6601, 129587, 907109, 2980501, 5313067, 20863507, 37191469, 122200541, 855403787]

約数ペア:

[(1, 855403787), (7, 122200541), (23, 37191469), (41, 20863507), (161, 5313067), (287, 2980501), (943, 907109), (6601, 129587)]