66820865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{2411}}^1$

素因数の和:2680

約数の個数: 16

約数和(自身を含む): 84053376

約数和(自身を除く): 17232511

約数列:

[1, 5, 23, 115, 241, 1205, 2411, 5543, 12055, 27715, 55453, 277265, 581051, 2905255, 13364173, 66820865]

約数ペア:

[(1, 66820865), (5, 13364173), (23, 2905255), (115, 581051), (241, 277265), (1205, 55453), (2411, 27715), (5543, 12055)]