5215975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 6944000

約数和(自身を除く): 1728025

約数列:

[1, 5, 19, 25, 79, 95, 139, 395, 475, 695, 1501, 1975, 2641, 3475, 7505, 10981, 13205, 37525, 54905, 66025, 208639, 274525, 1043195, 5215975]

約数ペア:

[(1, 5215975), (5, 1043195), (19, 274525), (25, 208639), (79, 66025), (95, 54905), (139, 37525), (395, 13205), (475, 10981), (695, 7505), (1501, 3475), (1975, 2641)]