16891259

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4139}}^1$

素因数の和:4210

約数の個数: 16

約数和(自身を含む): 21461760

約数和(自身を除く): 4570501

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 4139, 28973, 45529, 219367, 318703, 1535569, 2413037, 16891259]

約数ペア:

[(1, 16891259), (7, 2413037), (11, 1535569), (53, 318703), (77, 219367), (371, 45529), (583, 28973), (4081, 4139)]