7220665

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 9725760

約数和(自身を除く): 2505095

約数列:

[1, 5, 17, 19, 85, 95, 263, 289, 323, 1315, 1445, 1615, 4471, 4997, 5491, 22355, 24985, 27455, 76007, 84949, 380035, 424745, 1444133, 7220665]

約数ペア:

[(1, 7220665), (5, 1444133), (17, 424745), (19, 380035), (85, 84949), (95, 76007), (263, 27455), (289, 24985), (323, 22355), (1315, 5491), (1445, 4997), (1615, 4471)]