219906425

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 278419680

約数和(自身を除く): 58513255

約数列:

[1, 5, 25, 83, 131, 415, 655, 809, 2075, 3275, 4045, 10873, 20225, 54365, 67147, 105979, 271825, 335735, 529895, 1678675, 2649475, 8796257, 43981285, 219906425]

約数ペア:

[(1, 219906425), (5, 43981285), (25, 8796257), (83, 2649475), (131, 1678675), (415, 529895), (655, 335735), (809, 271825), (2075, 105979), (3275, 67147), (4045, 54365), (10873, 20225)]