28001675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2971}}^1$

素因数の和:3023

約数の個数: 24

約数和(自身を含む): 38695440

約数和(自身を除く): 10693765

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 2971, 9425, 14855, 38623, 74275, 86159, 193115, 430795, 965575, 1120067, 2153975, 5600335, 28001675]

約数ペア:

[(1, 28001675), (5, 5600335), (13, 2153975), (25, 1120067), (29, 965575), (65, 430795), (145, 193115), (325, 86159), (377, 74275), (725, 38623), (1885, 14855), (2971, 9425)]