320470928

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{206489}}^1$

素因数の和:206594

約数の個数: 20

約数和(自身を含む): 627316620

約数和(自身を除く): 306845692

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 206489, 412978, 825956, 1651912, 3303824, 20029433, 40058866, 80117732, 160235464, 320470928]

約数ペア:

[(1, 320470928), (2, 160235464), (4, 80117732), (8, 40058866), (16, 20029433), (97, 3303824), (194, 1651912), (388, 825956), (776, 412978), (1552, 206489)]