331388956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{256493}}^1$

素因数の和:256533

約数の個数: 24

約数和(自身を含む): 646364880

約数和(自身を除く): 314975924

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 256493, 512986, 1025972, 4360381, 4873367, 8720762, 9746734, 17441524, 19493468, 82847239, 165694478, 331388956]

約数ペア:

[(1, 331388956), (2, 165694478), (4, 82847239), (17, 19493468), (19, 17441524), (34, 9746734), (38, 8720762), (68, 4873367), (76, 4360381), (323, 1025972), (646, 512986), (1292, 256493)]