1945151999

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{340121}}^1$

素因数の和:340190

約数の個数: 16

約数和(自身を含む): 2394458880

約数和(自身を除く): 449306881

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 340121, 2380847, 6462299, 14625203, 45236093, 102376421, 277878857, 1945151999]

約数ペア:

[(1, 1945151999), (7, 277878857), (19, 102376421), (43, 45236093), (133, 14625203), (301, 6462299), (817, 2380847), (5719, 340121)]