218437156

素因数分解:

$2^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{20369}}^1$

素因数の和:20763

約数の個数: 24

約数和(自身を含む): 438036480

約数和(自身を除く): 219599324

約数列:

[1, 2, 4, 7, 14, 28, 383, 766, 1532, 2681, 5362, 10724, 20369, 40738, 81476, 142583, 285166, 570332, 7801327, 15602654, 31205308, 54609289, 109218578, 218437156]

約数ペア:

[(1, 218437156), (2, 109218578), (4, 54609289), (7, 31205308), (14, 15602654), (28, 7801327), (383, 570332), (766, 285166), (1532, 142583), (2681, 81476), (5362, 40738), (10724, 20369)]