13869988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{28657}}^1$

素因数の和:28683

約数の個数: 18

約数和(自身を含む): 26680598

約数和(自身を除く): 12810610

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 28657, 57314, 114628, 315227, 630454, 1260908, 3467497, 6934994, 13869988]

約数ペア:

[(1, 13869988), (2, 6934994), (4, 3467497), (11, 1260908), (22, 630454), (44, 315227), (121, 114628), (242, 57314), (484, 28657)]