39481981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26987}}^1$

素因数の和:27024

約数の個数: 16

約数和(自身を含む): 51816960

約数和(自身を除く): 12334979

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 26987, 188909, 296857, 512753, 2077999, 3589271, 5640283, 39481981]

約数ペア:

[(1, 39481981), (7, 5640283), (11, 3589271), (19, 2077999), (77, 512753), (133, 296857), (209, 188909), (1463, 26987)]