9950878072

素因数分解:

$2^3\times {\mathrm{1999}}^1\times {\mathrm{622241}}^1$

素因数の和:624246

約数の個数: 16

約数和(自身を含む): 18667260000

約数和(自身を除く): 8716381928

約数列:

[1, 2, 4, 8, 1999, 3998, 7996, 15992, 622241, 1244482, 2488964, 4977928, 1243859759, 2487719518, 4975439036, 9950878072]

約数ペア:

[(1, 9950878072), (2, 4975439036), (4, 2487719518), (8, 1243859759), (1999, 4977928), (3998, 2488964), (7996, 1244482), (15992, 622241)]