201338728

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{2971}}^1$

素因数の和:3217

約数の個数: 32

約数和(自身を含む): 388380960

約数和(自身を除く): 187042232

約数列:

[1, 2, 4, 8, 43, 86, 172, 197, 344, 394, 788, 1576, 2971, 5942, 8471, 11884, 16942, 23768, 33884, 67768, 127753, 255506, 511012, 585287, 1022024, 1170574, 2341148, 4682296, 25167341, 50334682, 100669364, 201338728]

約数ペア:

[(1, 201338728), (2, 100669364), (4, 50334682), (8, 25167341), (43, 4682296), (86, 2341148), (172, 1170574), (197, 1022024), (344, 585287), (394, 511012), (788, 255506), (1576, 127753), (2971, 67768), (5942, 33884), (8471, 23768), (11884, 16942)]