128379713

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{87751}}^1$

素因数の和:87788

約数の個数: 16

約数和(自身を含む): 168483840

約数和(自身を除く): 40104127

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 87751, 614257, 965261, 1667269, 6756827, 11670883, 18339959, 128379713]

約数ペア:

[(1, 128379713), (7, 18339959), (11, 11670883), (19, 6756827), (77, 1667269), (133, 965261), (209, 614257), (1463, 87751)]