40391338

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1738

約数の個数: 24

約数和(自身を含む): 66545388

約数和(自身を除く): 26154050

約数列:

[1, 2, 13, 26, 73, 146, 169, 338, 949, 1637, 1898, 3274, 12337, 21281, 24674, 42562, 119501, 239002, 276653, 553306, 1553513, 3107026, 20195669, 40391338]

約数ペア:

[(1, 40391338), (2, 20195669), (13, 3107026), (26, 1553513), (73, 553306), (146, 276653), (169, 239002), (338, 119501), (949, 42562), (1637, 24674), (1898, 21281), (3274, 12337)]