40499998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{643}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 76043520

約数和(自身を除く): 35543522

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 409, 643, 818, 1286, 2863, 4499, 4501, 5726, 7073, 8998, 9002, 14146, 31493, 49511, 62986, 99022, 262987, 525974, 1840909, 2892857, 3681818, 5785714, 20249999, 40499998]

約数ペア:

[(1, 40499998), (2, 20249999), (7, 5785714), (11, 3681818), (14, 2892857), (22, 1840909), (77, 525974), (154, 262987), (409, 99022), (643, 62986), (818, 49511), (1286, 31493), (2863, 14146), (4499, 9002), (4501, 8998), (5726, 7073)]