321016948

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{128819}}^1$

素因数の和:128919

約数の個数: 24

約数和(自身を含む): 649252800

約数和(自身を除く): 328235852

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 128819, 257638, 515276, 901733, 1803466, 3606932, 11464891, 22929782, 45859564, 80254237, 160508474, 321016948]

約数ペア:

[(1, 321016948), (2, 160508474), (4, 80254237), (7, 45859564), (14, 22929782), (28, 11464891), (89, 3606932), (178, 1803466), (356, 901733), (623, 515276), (1246, 257638), (2492, 128819)]