2643284959

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 3471245280

約数和(自身を除く): 827960321

約数列:

[1, 7, 19, 23, 49, 73, 89, 133, 161, 361, 437, 511, 623, 931, 1127, 1387, 1679, 1691, 2047, 2527, 3059, 3577, 4361, 6497, 8303, 9709, 11753, 11837, 14329, 17689, 21413, 26353, 31901, 32129, 38893, 45479, 58121, 67963, 82271, 82859, 100303, 123443, 149431, 184471, 223307, 224903, 272251, 318353, 406847, 606119, 738967, 864101, 1046017, 1291297, 1563149, 1574321, 1905757, 2345417, 2839189, 4242833, 5172769, 6048707, 7322119, 16417919, 19874323, 29699831, 36209383, 53944591, 114925433, 139120261, 377612137, 2643284959]

約数ペア:

[(1, 2643284959), (7, 377612137), (19, 139120261), (23, 114925433), (49, 53944591), (73, 36209383), (89, 29699831), (133, 19874323), (161, 16417919), (361, 7322119), (437, 6048707), (511, 5172769), (623, 4242833), (931, 2839189), (1127, 2345417), (1387, 1905757), (1679, 1574321), (1691, 1563149), (2047, 1291297), (2527, 1046017), (3059, 864101), (3577, 738967), (4361, 606119), (6497, 406847), (8303, 318353), (9709, 272251), (11753, 224903), (11837, 223307), (14329, 184471), (17689, 149431), (21413, 123443), (26353, 100303), (31901, 82859), (32129, 82271), (38893, 67963), (45479, 58121)]