201661655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 271651968

約数和(自身を除く): 69990313

約数列:

[1, 5, 13, 37, 65, 71, 185, 355, 481, 923, 1181, 2405, 2627, 4615, 5905, 13135, 15353, 34151, 43697, 76765, 83851, 170755, 218485, 419255, 568061, 1090063, 2840305, 3102487, 5450315, 15512435, 40332331, 201661655]

約数ペア:

[(1, 201661655), (5, 40332331), (13, 15512435), (37, 5450315), (65, 3102487), (71, 2840305), (185, 1090063), (355, 568061), (481, 419255), (923, 218485), (1181, 170755), (2405, 83851), (2627, 76765), (4615, 43697), (5905, 34151), (13135, 15353)]