28758305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{17807}}^1$

素因数の和:17848

約数の個数: 16

約数和(自身を含む): 38465280

約数和(自身を除く): 9706975

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 17807, 89035, 302719, 338333, 1513595, 1691665, 5751661, 28758305]

約数ペア:

[(1, 28758305), (5, 5751661), (17, 1691665), (19, 1513595), (85, 338333), (95, 302719), (323, 89035), (1615, 17807)]