201717395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193031}}^1$

素因数の和:193066

約数の個数: 16

約数和(自身を含む): 277966080

約数和(自身を除く): 76248685

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 193031, 965155, 2123341, 3667589, 10616705, 18337945, 40343479, 201717395]

約数ペア:

[(1, 201717395), (5, 40343479), (11, 18337945), (19, 10616705), (55, 3667589), (95, 2123341), (209, 965155), (1045, 193031)]