289669919

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 394328736

約数和(自身を除く): 104658817

約数列:

[1, 7, 11, 17, 49, 77, 101, 119, 187, 313, 539, 707, 833, 1111, 1309, 1717, 2191, 3443, 4949, 5321, 7777, 9163, 12019, 15337, 18887, 24101, 31613, 37247, 54439, 58531, 84133, 132209, 168707, 221291, 260729, 347743, 409717, 537421, 925463, 1549037, 2434201, 2868019, 3761947, 5911631, 17039407, 26333629, 41381417, 289669919]

約数ペア:

[(1, 289669919), (7, 41381417), (11, 26333629), (17, 17039407), (49, 5911631), (77, 3761947), (101, 2868019), (119, 2434201), (187, 1549037), (313, 925463), (539, 537421), (707, 409717), (833, 347743), (1111, 260729), (1309, 221291), (1717, 168707), (2191, 132209), (3443, 84133), (4949, 58531), (5321, 54439), (7777, 37247), (9163, 31613), (12019, 24101), (15337, 18887)]