80219209

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 101350656

約数和(自身を除く): 21131447

約数列:

[1, 7, 17, 43, 61, 119, 257, 301, 427, 731, 1037, 1799, 2623, 4369, 5117, 7259, 11051, 15677, 18361, 30583, 44591, 77357, 109739, 187867, 266509, 312137, 674111, 1315069, 1865563, 4718777, 11459887, 80219209]

約数ペア:

[(1, 80219209), (7, 11459887), (17, 4718777), (43, 1865563), (61, 1315069), (119, 674111), (257, 312137), (301, 266509), (427, 187867), (731, 109739), (1037, 77357), (1799, 44591), (2623, 30583), (4369, 18361), (5117, 15677), (7259, 11051)]