128257961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1471}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 145904640

約数和(自身を除く): 17646679

約数列:

[1, 13, 19, 247, 353, 1471, 4589, 6707, 19123, 27949, 87191, 363337, 519263, 6750419, 9865997, 128257961]

約数ペア:

[(1, 128257961), (13, 9865997), (19, 6750419), (247, 519263), (353, 363337), (1471, 87191), (4589, 27949), (6707, 19123)]