408889708

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{804901}}^1$

素因数の和:805032

約数の個数: 12

約数和(自身を含む): 721192192

約数和(自身を除く): 312302484

約数列:

[1, 2, 4, 127, 254, 508, 804901, 1609802, 3219604, 102222427, 204444854, 408889708]

約数ペア:

[(1, 408889708), (2, 204444854), (4, 102222427), (127, 3219604), (254, 1609802), (508, 804901)]