2660905

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 3583872

約数和(自身を除く): 922967

約数列:

[1, 5, 13, 47, 65, 67, 169, 235, 335, 611, 845, 871, 3055, 3149, 4355, 7943, 11323, 15745, 39715, 40937, 56615, 204685, 532181, 2660905]

約数ペア:

[(1, 2660905), (5, 532181), (13, 204685), (47, 56615), (65, 40937), (67, 39715), (169, 15745), (235, 11323), (335, 7943), (611, 4355), (845, 3149), (871, 3055)]