2180339

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 16

約数和(自身を含む): 2612736

約数和(自身を除く): 432397

約数列:

[1, 7, 41, 71, 107, 287, 497, 749, 2911, 4387, 7597, 20377, 30709, 53179, 311477, 2180339]

約数ペア:

[(1, 2180339), (7, 311477), (41, 53179), (71, 30709), (107, 20377), (287, 7597), (497, 4387), (749, 2911)]