128157071

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{22409}}^1$

素因数の和:22478

約数の個数: 16

約数和(自身を含む): 157766400

約数和(自身を除く): 29609329

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 22409, 156863, 425771, 963587, 2980397, 6745109, 18308153, 128157071]

約数ペア:

[(1, 128157071), (7, 18308153), (19, 6745109), (43, 2980397), (133, 963587), (301, 425771), (817, 156863), (5719, 22409)]