128264156986

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{27678929}}^1$

素因数の和:27679269

約数の個数: 16

約数和(自身を含む): 220545714240

約数和(自身を除く): 92281557254

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4634, 27678929, 55357858, 193752503, 387505006, 9161725499, 18323450998, 64132078493, 128264156986]

約数ペア:

[(1, 128264156986), (2, 64132078493), (7, 18323450998), (14, 9161725499), (331, 387505006), (662, 193752503), (2317, 55357858), (4634, 27678929)]