6439895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 9884160

約数和(自身を除く): 3444265

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 389, 473, 1505, 1945, 2365, 2723, 3311, 4279, 13615, 16555, 16727, 21395, 29953, 83635, 117089, 149765, 183997, 585445, 919985, 1287979, 6439895]

約数ペア:

[(1, 6439895), (5, 1287979), (7, 919985), (11, 585445), (35, 183997), (43, 149765), (55, 117089), (77, 83635), (215, 29953), (301, 21395), (385, 16727), (389, 16555), (473, 13615), (1505, 4279), (1945, 3311), (2365, 2723)]