821085331390

素因数分解:

$2^1\times 5^1\times {\mathrm{997201}}^1\times {\mathrm{82339}}^1$

素因数の和:1079547

約数の個数: 16

約数和(自身を含む): 1477973028240

約数和(自身を除く): 656887696850

約数列:

[1, 2, 5, 10, 82339, 164678, 411695, 823390, 997201, 1994402, 4986005, 9972010, 82108533139, 164217066278, 410542665695, 821085331390]

約数ペア:

[(1, 821085331390), (2, 410542665695), (5, 164217066278), (10, 82108533139), (82339, 9972010), (164678, 4986005), (411695, 1994402), (823390, 997201)]