2843425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{673}}^1$

素因数の和:709

約数の個数: 18

約数和(自身を含む): 3823602

約数和(自身を除く): 980177

約数列:

[1, 5, 13, 25, 65, 169, 325, 673, 845, 3365, 4225, 8749, 16825, 43745, 113737, 218725, 568685, 2843425]

約数ペア:

[(1, 2843425), (5, 568685), (13, 218725), (25, 113737), (65, 43745), (169, 16825), (325, 8749), (673, 4225), (845, 3365)]