16888991

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{307}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 20106240

約数和(自身を除く): 3217249

約数列:

[1, 7, 29, 203, 271, 307, 1897, 2149, 7859, 8903, 55013, 62321, 83197, 582379, 2412713, 16888991]

約数ペア:

[(1, 16888991), (7, 2412713), (29, 582379), (203, 83197), (271, 62321), (307, 55013), (1897, 8903), (2149, 7859)]