31490728

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{28319}}^1$

素因数の和:28464

約数の個数: 16

約数和(自身を含む): 59472000

約数和(自身を除く): 27981272

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 28319, 56638, 113276, 226552, 3936341, 7872682, 15745364, 31490728]

約数ペア:

[(1, 31490728), (2, 15745364), (4, 7872682), (8, 3936341), (139, 226552), (278, 113276), (556, 56638), (1112, 28319)]