387983902

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 611380224

約数和(自身を除く): 223396322

約数列:

[1, 2, 41, 71, 82, 103, 142, 206, 647, 1294, 2911, 4223, 5822, 7313, 8446, 14626, 26527, 45937, 53054, 66641, 91874, 133282, 299833, 599666, 1883417, 2732281, 3766834, 4731511, 5464562, 9463022, 193991951, 387983902]

約数ペア:

[(1, 387983902), (2, 193991951), (41, 9463022), (71, 5464562), (82, 4731511), (103, 3766834), (142, 2732281), (206, 1883417), (647, 599666), (1294, 299833), (2911, 133282), (4223, 91874), (5822, 66641), (7313, 53054), (8446, 45937), (14626, 26527)]