400197794

素因数分解:

$2^1\times {\mathrm{419}}^1\times {\mathrm{479}}^1\times {\mathrm{997}}^1$

素因数の和:1897

約数の個数: 16

約数和(自身を含む): 603590400

約数和(自身を除く): 203392606

約数列:

[1, 2, 419, 479, 838, 958, 997, 1994, 200701, 401402, 417743, 477563, 835486, 955126, 200098897, 400197794]

約数ペア:

[(1, 400197794), (2, 200098897), (419, 955126), (479, 835486), (838, 477563), (958, 417743), (997, 401402), (1994, 200701)]