16988555

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 21168000

約数和(自身を除く): 4179445

約数列:

[1, 5, 41, 79, 205, 395, 1049, 3239, 5245, 16195, 43009, 82871, 215045, 414355, 3397711, 16988555]

約数ペア:

[(1, 16988555), (5, 3397711), (41, 414355), (79, 215045), (205, 82871), (395, 43009), (1049, 16195), (3239, 5245)]