22128155

素因数分解:

$5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 31122000

約数和(自身を除く): 8993845

約数列:

[1, 5, 7, 35, 49, 181, 245, 499, 905, 1267, 2495, 3493, 6335, 8869, 17465, 24451, 44345, 90319, 122255, 451595, 632233, 3161165, 4425631, 22128155]

約数ペア:

[(1, 22128155), (5, 4425631), (7, 3161165), (35, 632233), (49, 451595), (181, 122255), (245, 90319), (499, 44345), (905, 24451), (1267, 17465), (2495, 8869), (3493, 6335)]