256574879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^2$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 305671680

約数和(自身を除く): 49096801

約数列:

[1, 11, 19, 31, 199, 209, 341, 589, 2189, 3781, 6169, 6479, 39601, 41591, 67859, 117211, 435611, 752419, 1227631, 1289321, 8276609, 13503941, 23324989, 256574879]

約数ペア:

[(1, 256574879), (11, 23324989), (19, 13503941), (31, 8276609), (199, 1289321), (209, 1227631), (341, 752419), (589, 435611), (2189, 117211), (3781, 67859), (6169, 41591), (6479, 39601)]