199910837

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:810

約数の個数: 36

約数和(自身を含む): 260385120

約数和(自身を除く): 60474283

約数列:

[1, 7, 17, 19, 49, 119, 133, 289, 323, 743, 833, 931, 2023, 2261, 5201, 5491, 12631, 14117, 14161, 15827, 36407, 38437, 88417, 98819, 214727, 239989, 269059, 618919, 691733, 1503089, 1679923, 4079813, 10521623, 11759461, 28558691, 199910837]

約数ペア:

[(1, 199910837), (7, 28558691), (17, 11759461), (19, 10521623), (49, 4079813), (119, 1679923), (133, 1503089), (289, 691733), (323, 618919), (743, 269059), (833, 239989), (931, 214727), (2023, 98819), (2261, 88417), (5201, 38437), (5491, 36407), (12631, 15827), (14117, 14161)]