128728376

素因数分解:

$2^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{4799}}^1$

素因数の和:5291

約数の個数: 32

約数和(自身を含む): 276480000

約数和(自身を除く): 147751624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 479, 958, 1916, 3353, 3832, 4799, 6706, 9598, 13412, 19196, 26824, 33593, 38392, 67186, 134372, 268744, 2298721, 4597442, 9194884, 16091047, 18389768, 32182094, 64364188, 128728376]

約数ペア:

[(1, 128728376), (2, 64364188), (4, 32182094), (7, 18389768), (8, 16091047), (14, 9194884), (28, 4597442), (56, 2298721), (479, 268744), (958, 134372), (1916, 67186), (3353, 38392), (3832, 33593), (4799, 26824), (6706, 19196), (9598, 13412)]