394575275

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 496212288

約数和(自身を除く): 101637013

約数列:

[1, 5, 25, 131, 211, 571, 655, 1055, 2855, 3275, 5275, 14275, 27641, 74801, 120481, 138205, 374005, 602405, 691025, 1870025, 3012025, 15783011, 78915055, 394575275]

約数ペア:

[(1, 394575275), (5, 78915055), (25, 15783011), (131, 3012025), (211, 1870025), (571, 691025), (655, 602405), (1055, 374005), (2855, 138205), (3275, 120481), (5275, 74801), (14275, 27641)]