128121854

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{212827}}^1$

素因数の和:212879

約数の個数: 16

約数和(自身を含む): 224746368

約数和(自身を除く): 96624514

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 212827, 425654, 1489789, 2979578, 9151561, 18303122, 64060927, 128121854]

約数ペア:

[(1, 128121854), (2, 64060927), (7, 18303122), (14, 9151561), (43, 2979578), (86, 1489789), (301, 425654), (602, 212827)]