205464415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^2$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 270545184

約数和(自身を除く): 65080769

約数列:

[1, 5, 13, 65, 71, 211, 355, 923, 1055, 2743, 4615, 13715, 14981, 44521, 74905, 194753, 222605, 578773, 973765, 2893865, 3160991, 15804955, 41092883, 205464415]

約数ペア:

[(1, 205464415), (5, 41092883), (13, 15804955), (65, 3160991), (71, 2893865), (211, 973765), (355, 578773), (923, 222605), (1055, 194753), (2743, 74905), (4615, 44521), (13715, 14981)]