31490488

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{55441}}^1$

素因数の和:55518

約数の個数: 16

約数和(自身を含む): 59877360

約数和(自身を除く): 28386872

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 55441, 110882, 221764, 443528, 3936311, 7872622, 15745244, 31490488]

約数ペア:

[(1, 31490488), (2, 15745244), (4, 7872622), (8, 3936311), (71, 443528), (142, 221764), (284, 110882), (568, 55441)]