216599999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{2897}}^1$

素因数の和:3886

約数の個数: 16

約数和(自身を含む): 270418176

約数和(自身を除く): 53818177

約数列:

[1, 7, 11, 77, 971, 2897, 6797, 10681, 20279, 31867, 74767, 223069, 2812987, 19690909, 30942857, 216599999]

約数ペア:

[(1, 216599999), (7, 30942857), (11, 19690909), (77, 2812987), (971, 223069), (2897, 74767), (6797, 31867), (10681, 20279)]