1245403745

素因数分解:

$5^1\times {\mathrm{401}}^2\times {\mathrm{1549}}^1$

素因数の和:2356

約数の個数: 12

約数和(自身を含む): 1499187900

約数和(自身を除く): 253784155

約数列:

[1, 5, 401, 1549, 2005, 7745, 160801, 621149, 804005, 3105745, 249080749, 1245403745]

約数ペア:

[(1, 1245403745), (5, 249080749), (401, 3105745), (1549, 804005), (2005, 621149), (7745, 160801)]