409620958

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{20479}}^1$

素因数の和:20691

約数の個数: 16

約数和(自身を含む): 627425280

約数和(自身を除く): 217804322

約数列:

[1, 2, 73, 137, 146, 274, 10001, 20002, 20479, 40958, 1494967, 2805623, 2989934, 5611246, 204810479, 409620958]

約数ペア:

[(1, 409620958), (2, 204810479), (73, 5611246), (137, 2989934), (146, 2805623), (274, 1494967), (10001, 40958), (20002, 20479)]