2790571

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 16

約数和(自身を含む): 3334144

約数和(自身を除く): 543573

約数列:

[1, 7, 43, 73, 127, 301, 511, 889, 3139, 5461, 9271, 21973, 38227, 64897, 398653, 2790571]

約数ペア:

[(1, 2790571), (7, 398653), (43, 64897), (73, 38227), (127, 21973), (301, 9271), (511, 5461), (889, 3139)]