16989661

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 18869760

約数和(自身を除く): 1880099

約数列:

[1, 13, 71, 79, 233, 923, 1027, 3029, 5609, 16543, 18407, 72917, 215059, 239291, 1306897, 16989661]

約数ペア:

[(1, 16989661), (13, 1306897), (71, 239291), (79, 215059), (233, 72917), (923, 18407), (1027, 16543), (3029, 5609)]