668831426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{40093}}^1$

素因数の和:40553

約数の個数: 16

約数和(自身を含む): 1058481600

約数和(自身を除く): 389650174

約数列:

[1, 2, 19, 38, 439, 878, 8341, 16682, 40093, 80186, 761767, 1523534, 17600827, 35201654, 334415713, 668831426]

約数ペア:

[(1, 668831426), (2, 334415713), (19, 35201654), (38, 17600827), (439, 1523534), (878, 761767), (8341, 80186), (16682, 40093)]