81632705

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4931}}^1$

素因数の和:4997

約数の個数: 32

約数和(自身を含む): 124996608

約数和(自身を除く): 43363903

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1505, 2365, 3311, 4931, 16555, 24655, 34517, 54241, 172585, 212033, 271205, 379687, 1060165, 1484231, 1898435, 2332363, 7421155, 11661815, 16326541, 81632705]

約数ペア:

[(1, 81632705), (5, 16326541), (7, 11661815), (11, 7421155), (35, 2332363), (43, 1898435), (55, 1484231), (77, 1060165), (215, 379687), (301, 271205), (385, 212033), (473, 172585), (1505, 54241), (2365, 34517), (3311, 24655), (4931, 16555)]