199396864

素因数分解:

$2^9\times {\mathrm{389447}}^1$

素因数の和:389465

約数の個数: 20

約数和(自身を含む): 398405304

約数和(自身を除く): 199008440

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 389447, 778894, 1557788, 3115576, 6231152, 12462304, 24924608, 49849216, 99698432, 199396864]

約数ペア:

[(1, 199396864), (2, 99698432), (4, 49849216), (8, 24924608), (16, 12462304), (32, 6231152), (64, 3115576), (128, 1557788), (256, 778894), (512, 389447)]