489400.00000000

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{106861}}^1$

素因数の和:106882

約数の個数: 20

約数和(自身を含む): 46378108

約数和(自身を除く): 24151020

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 106861, 213722, 427444, 854888, 1389193, 1709776, 2778386, 5556772, 11113544, 22227088]

約数ペア:

[(1, 22227088), (2, 11113544), (4, 5556772), (8, 2778386), (13, 1709776), (16, 1389193), (26, 854888), (52, 427444), (104, 213722), (208, 106861)]