2011121105

素因数分解:

$5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{283}}^1\times {\mathrm{733}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 2781636864

約数和(自身を除く): 770515759

約数列:

[1, 5, 7, 35, 277, 283, 733, 1385, 1415, 1939, 1981, 3665, 5131, 9695, 9905, 25655, 78391, 203041, 207439, 391955, 548737, 1015205, 1037195, 1421287, 1452073, 2743685, 7106435, 7260365, 57460603, 287303015, 402224221, 2011121105]

約数ペア:

[(1, 2011121105), (5, 402224221), (7, 287303015), (35, 57460603), (277, 7260365), (283, 7106435), (733, 2743685), (1385, 1452073), (1415, 1421287), (1939, 1037195), (1981, 1015205), (3665, 548737), (5131, 391955), (9695, 207439), (9905, 203041), (25655, 78391)]