25172356

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{52009}}^1$

素因数の和:52035

約数の個数: 18

約数和(自身を含む): 48421310

約数和(自身を除く): 23248954

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 52009, 104018, 208036, 572099, 1144198, 2288396, 6293089, 12586178, 25172356]

約数ペア:

[(1, 25172356), (2, 12586178), (4, 6293089), (11, 2288396), (22, 1144198), (44, 572099), (121, 208036), (242, 104018), (484, 52009)]