129123425

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 163516320

約数和(自身を除く): 34392895

約数列:

[1, 5, 25, 89, 131, 443, 445, 655, 2215, 2225, 3275, 11075, 11659, 39427, 58033, 58295, 197135, 290165, 291475, 985675, 1450825, 5164937, 25824685, 129123425]

約数ペア:

[(1, 129123425), (5, 25824685), (25, 5164937), (89, 1450825), (131, 985675), (443, 291475), (445, 290165), (655, 197135), (2215, 58295), (2225, 58033), (3275, 39427), (11075, 11659)]