2051226205

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{80173}}^1$

素因数の和:80245

約数の個数: 32

約数和(自身を含む): 3047894784

約数和(自身を除く): 996668579

約数列:

[1, 5, 7, 17, 35, 43, 85, 119, 215, 301, 595, 731, 1505, 3655, 5117, 25585, 80173, 400865, 561211, 1362941, 2806055, 3447439, 6814705, 9540587, 17237195, 24132073, 47702935, 58606463, 120660365, 293032315, 410245241, 2051226205]

約数ペア:

[(1, 2051226205), (5, 410245241), (7, 293032315), (17, 120660365), (35, 58606463), (43, 47702935), (85, 24132073), (119, 17237195), (215, 9540587), (301, 6814705), (595, 3447439), (731, 2806055), (1505, 1362941), (3655, 561211), (5117, 400865), (25585, 80173)]