320804518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{21493}}^1$

素因数の和:21951

約数の個数: 16

約数和(自身を含む): 510697440

約数和(自身を除く): 189892922

約数列:

[1, 2, 17, 34, 439, 878, 7463, 14926, 21493, 42986, 365381, 730762, 9435427, 18870854, 160402259, 320804518]

約数ペア:

[(1, 320804518), (2, 160402259), (17, 18870854), (34, 9435427), (439, 730762), (878, 365381), (7463, 42986), (14926, 21493)]