315364025

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{43649}}^1$

素因数の和:43693

約数の個数: 18

約数和(自身を含む): 415417050

約数和(自身を除く): 100053025

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 43649, 218245, 742033, 1091225, 3710165, 12614561, 18550825, 63072805, 315364025]

約数ペア:

[(1, 315364025), (5, 63072805), (17, 18550825), (25, 12614561), (85, 3710165), (289, 1091225), (425, 742033), (1445, 218245), (7225, 43649)]