28474369

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19463}}^1$

素因数の和:19500

約数の個数: 16

約数和(自身を含む): 37370880

約数和(自身を除く): 8896511

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 19463, 136241, 214093, 369797, 1498651, 2588579, 4067767, 28474369]

約数ペア:

[(1, 28474369), (7, 4067767), (11, 2588579), (19, 1498651), (77, 369797), (133, 214093), (209, 136241), (1463, 19463)]