489084815

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{3803}}^1$

素因数の和:3931

約数の個数: 24

約数和(自身を含む): 630627120

約数和(自身を除く): 141542305

約数列:

[1, 5, 17, 85, 89, 289, 445, 1445, 1513, 3803, 7565, 19015, 25721, 64651, 128605, 323255, 338467, 1099067, 1692335, 5495335, 5753939, 28769695, 97816963, 489084815]

約数ペア:

[(1, 489084815), (5, 97816963), (17, 28769695), (85, 5753939), (89, 5495335), (289, 1692335), (445, 1099067), (1445, 338467), (1513, 323255), (3803, 128605), (7565, 64651), (19015, 25721)]