409384144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1968193}}^1$

素因数の和:1968214

約数の個数: 20

約数和(自身を含む): 854196196

約数和(自身を除く): 444812052

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1968193, 3936386, 7872772, 15745544, 25586509, 31491088, 51173018, 102346036, 204692072, 409384144]

約数ペア:

[(1, 409384144), (2, 204692072), (4, 102346036), (8, 51173018), (13, 31491088), (16, 25586509), (26, 15745544), (52, 7872772), (104, 3936386), (208, 1968193)]