72858305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{21149}}^1$

素因数の和:21220

約数の個数: 16

約数和(自身を含む): 95936400

約数和(自身を除く): 23078095

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 21149, 105745, 274937, 1120897, 1374685, 5604485, 14571661, 72858305]

約数ペア:

[(1, 72858305), (5, 14571661), (13, 5604485), (53, 1374685), (65, 1120897), (265, 274937), (689, 105745), (3445, 21149)]