3991888

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{719}}^1$

素因数の和:1074

約数の個数: 20

約数和(自身を含む): 7767360

約数和(自身を除く): 3775472

約数列:

[1, 2, 4, 8, 16, 347, 694, 719, 1388, 1438, 2776, 2876, 5552, 5752, 11504, 249493, 498986, 997972, 1995944, 3991888]

約数ペア:

[(1, 3991888), (2, 1995944), (4, 997972), (8, 498986), (16, 249493), (347, 11504), (694, 5752), (719, 5552), (1388, 2876), (1438, 2776)]