128960398

素因数分解:

$2^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{6709}}^1$

素因数の和:8091

約数の個数: 16

約数和(自身を含む): 221268960

約数和(自身を除く): 92308562

約数列:

[1, 2, 7, 14, 1373, 2746, 6709, 9611, 13418, 19222, 46963, 93926, 9211457, 18422914, 64480199, 128960398]

約数ペア:

[(1, 128960398), (2, 64480199), (7, 18422914), (14, 9211457), (1373, 93926), (2746, 46963), (6709, 19222), (9611, 13418)]