201326605

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{991}}^2$

素因数の和:2028

約数の個数: 12

約数和(自身を含む): 247734396

約数和(自身を除く): 46407791

約数列:

[1, 5, 41, 205, 991, 4955, 40631, 203155, 982081, 4910405, 40265321, 201326605]

約数ペア:

[(1, 201326605), (5, 40265321), (41, 4910405), (205, 982081), (991, 203155), (4955, 40631)]