2009786009

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^2$

素因数の和:930

約数の個数: 36

約数和(自身を含む): 2690760240

約数和(自身を除く): 680974231

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 443, 539, 931, 1463, 3101, 4873, 8417, 10241, 21707, 34111, 58919, 92587, 196249, 238777, 412433, 648109, 1373743, 2158739, 3728731, 4536763, 9616201, 15111173, 26101117, 41016041, 105778211, 182707819, 287112287, 2009786009]

約数ペア:

[(1, 2009786009), (7, 287112287), (11, 182707819), (19, 105778211), (49, 41016041), (77, 26101117), (133, 15111173), (209, 9616201), (443, 4536763), (539, 3728731), (931, 2158739), (1463, 1373743), (3101, 648109), (4873, 412433), (8417, 238777), (10241, 196249), (21707, 92587), (34111, 58919)]