243870575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1741}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 326604096

約数和(自身を除く): 82733521

約数列:

[1, 5, 13, 25, 65, 325, 431, 1741, 2155, 5603, 8705, 10775, 22633, 28015, 43525, 113165, 140075, 565825, 750371, 3751855, 9754823, 18759275, 48774115, 243870575]

約数ペア:

[(1, 243870575), (5, 48774115), (13, 18759275), (25, 9754823), (65, 3751855), (325, 750371), (431, 565825), (1741, 140075), (2155, 113165), (5603, 43525), (8705, 28015), (10775, 22633)]