13991956

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{28909}}^1$

素因数の和:28935

約数の個数: 18

約数和(自身を含む): 26915210

約数和(自身を除く): 12923254

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 28909, 57818, 115636, 317999, 635998, 1271996, 3497989, 6995978, 13991956]

約数ペア:

[(1, 13991956), (2, 6995978), (4, 3497989), (11, 1271996), (22, 635998), (44, 317999), (121, 115636), (242, 57818), (484, 28909)]