216105953

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{28559}}^1$

素因数の和:28636

約数の個数: 16

約数和(自身を含む): 263208960

約数和(自身を除く): 47103007

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 28559, 199913, 656857, 1342273, 4597999, 9395911, 30872279, 216105953]

約数ペア:

[(1, 216105953), (7, 30872279), (23, 9395911), (47, 4597999), (161, 1342273), (329, 656857), (1081, 199913), (7567, 28559)]