2080990891

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{64613}}^1$

素因数の和:64770

約数の個数: 16

約数和(自身を含む): 2456365824

約数和(自身を除く): 375374933

約数列:

[1, 7, 43, 107, 301, 749, 4601, 32207, 64613, 452291, 2778359, 6913591, 19448513, 48395137, 297284413, 2080990891]

約数ペア:

[(1, 2080990891), (7, 297284413), (43, 48395137), (107, 19448513), (301, 6913591), (749, 2778359), (4601, 452291), (32207, 64613)]