128867039

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{4567}}^1$

素因数の和:4742

約数の個数: 16

約数和(自身を含む): 153484800

約数和(自身を除く): 24617761

約数列:

[1, 7, 29, 139, 203, 973, 4031, 4567, 28217, 31969, 132443, 634813, 927101, 4443691, 18409577, 128867039]

約数ペア:

[(1, 128867039), (7, 18409577), (29, 4443691), (139, 927101), (203, 634813), (973, 132443), (4031, 31969), (4567, 28217)]