491248078

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{680399}}^1$

素因数の和:680439

約数の個数: 12

約数和(自身を含む): 777697200

約数和(自身を除く): 286449122

約数列:

[1, 2, 19, 38, 361, 722, 680399, 1360798, 12927581, 25855162, 245624039, 491248078]

約数ペア:

[(1, 491248078), (2, 245624039), (19, 25855162), (38, 12927581), (361, 1360798), (722, 680399)]