81172895

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{2309}}^1$

素因数の和:2482

約数の個数: 16

約数和(自身を含む): 99792000

約数和(自身を除く): 18619105

約数列:

[1, 5, 79, 89, 395, 445, 2309, 7031, 11545, 35155, 182411, 205501, 912055, 1027505, 16234579, 81172895]

約数ペア:

[(1, 81172895), (5, 16234579), (79, 1027505), (89, 912055), (395, 205501), (445, 182411), (2309, 35155), (7031, 11545)]