278236228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{18397}}^1$

素因数の和:18619

約数の個数: 24

約数和(自身を含む): 515144000

約数和(自身を除く): 236907772

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 796, 3781, 7562, 15124, 18397, 36794, 73588, 349543, 699086, 1398172, 3661003, 7322006, 14644012, 69559057, 139118114, 278236228]

約数ペア:

[(1, 278236228), (2, 139118114), (4, 69559057), (19, 14644012), (38, 7322006), (76, 3661003), (199, 1398172), (398, 699086), (796, 349543), (3781, 73588), (7562, 36794), (15124, 18397)]