40439958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1039}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 87360000

約数和(自身を除く): 46920042

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 499, 998, 1039, 1497, 2078, 2994, 3117, 6234, 6487, 12974, 13507, 19461, 27014, 38922, 40521, 81042, 518461, 1036922, 1555383, 3110766, 6739993, 13479986, 20219979, 40439958]

約数ペア:

[(1, 40439958), (2, 20219979), (3, 13479986), (6, 6739993), (13, 3110766), (26, 1555383), (39, 1036922), (78, 518461), (499, 81042), (998, 40521), (1039, 38922), (1497, 27014), (2078, 19461), (2994, 13507), (3117, 12974), (6234, 6487)]