208012456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{2857}}^1$

素因数の和:3361

約数の個数: 32

約数和(自身を含む): 411552000

約数和(自身を除く): 203539544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 479, 958, 1916, 2857, 3832, 5714, 9101, 11428, 18202, 22856, 36404, 54283, 72808, 108566, 217132, 434264, 1368503, 2737006, 5474012, 10948024, 26001557, 52003114, 104006228, 208012456]

約数ペア:

[(1, 208012456), (2, 104006228), (4, 52003114), (8, 26001557), (19, 10948024), (38, 5474012), (76, 2737006), (152, 1368503), (479, 434264), (958, 217132), (1916, 108566), (2857, 72808), (3832, 54283), (5714, 36404), (9101, 22856), (11428, 18202)]