990065196

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{639577}}^1$

素因数の和:639630

約数の個数: 36

約数和(自身を含む): 2560870312

約数和(自身を除く): 1570805116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 639577, 1279154, 1918731, 2558308, 3837462, 5756193, 7674924, 11512386, 23024772, 27501811, 55003622, 82505433, 110007244, 165010866, 247516299, 330021732, 495032598, 990065196]

約数ペア:

[(1, 990065196), (2, 495032598), (3, 330021732), (4, 247516299), (6, 165010866), (9, 110007244), (12, 82505433), (18, 55003622), (36, 27501811), (43, 23024772), (86, 11512386), (129, 7674924), (172, 5756193), (258, 3837462), (387, 2558308), (516, 1918731), (774, 1279154), (1548, 639577)]