131222555

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{4679}}^1$

素因数の和:4834

約数の個数: 16

約数和(自身を含む): 161740800

約数和(自身を除く): 30518245

約数列:

[1, 5, 71, 79, 355, 395, 4679, 5609, 23395, 28045, 332209, 369641, 1661045, 1848205, 26244511, 131222555]

約数ペア:

[(1, 131222555), (5, 26244511), (71, 1848205), (79, 1661045), (355, 369641), (395, 332209), (4679, 28045), (5609, 23395)]