128932412

素因数分解:

$2^2\times 7^1\times {\mathrm{4604729}}^1$

素因数の和:4604740

約数の個数: 12

約数和(自身を含む): 257864880

約数和(自身を除く): 128932468

約数列:

[1, 2, 4, 7, 14, 28, 4604729, 9209458, 18418916, 32233103, 64466206, 128932412]

約数ペア:

[(1, 128932412), (2, 64466206), (4, 32233103), (7, 18418916), (14, 9209458), (28, 4604729)]