3998474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:917

約数の個数: 16

約数和(自身を含む): 6367200

約数和(自身を除く): 2368726

約数列:

[1, 2, 19, 38, 139, 278, 757, 1514, 2641, 5282, 14383, 28766, 105223, 210446, 1999237, 3998474]

約数ペア:

[(1, 3998474), (2, 1999237), (19, 210446), (38, 105223), (139, 28766), (278, 14383), (757, 5282), (1514, 2641)]