217400144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1045193}}^1$

素因数の和:1045214

約数の個数: 20

約数和(自身を含む): 453614196

約数和(自身を除く): 236214052

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1045193, 2090386, 4180772, 8361544, 13587509, 16723088, 27175018, 54350036, 108700072, 217400144]

約数ペア:

[(1, 217400144), (2, 108700072), (4, 54350036), (8, 27175018), (13, 16723088), (16, 13587509), (26, 8361544), (52, 4180772), (104, 2090386), (208, 1045193)]