2247990143

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1\times {\mathrm{5591}}^1$

素因数の和:6478

約数の個数: 16

約数和(自身を含む): 2609003520

約数和(自身を除く): 361013377

約数列:

[1, 7, 71, 497, 809, 5591, 5663, 39137, 57439, 396961, 402073, 2778727, 4523119, 31661833, 321141449, 2247990143]

約数ペア:

[(1, 2247990143), (7, 321141449), (71, 31661833), (497, 4523119), (809, 2778727), (5591, 402073), (5663, 396961), (39137, 57439)]