211318445

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{19237}}^1$

素因数の和:19281

約数の個数: 16

約数和(自身を含む): 274718640

約数和(自身を除く): 63400195

約数列:

[1, 5, 13, 65, 169, 845, 2197, 10985, 19237, 96185, 250081, 1250405, 3251053, 16255265, 42263689, 211318445]

約数ペア:

[(1, 211318445), (5, 42263689), (13, 16255265), (65, 3251053), (169, 1250405), (845, 250081), (2197, 96185), (10985, 19237)]