1287286

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 2596608

約数和(自身を除く): 1309322

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 643, 1001, 1286, 2002, 4501, 7073, 8359, 9002, 14146, 16718, 49511, 58513, 91949, 99022, 117026, 183898, 643643, 1287286]

約数ペア:

[(1, 1287286), (2, 643643), (7, 183898), (11, 117026), (13, 99022), (14, 91949), (22, 58513), (26, 49511), (77, 16718), (91, 14146), (143, 9002), (154, 8359), (182, 7073), (286, 4501), (643, 2002), (1001, 1286)]