2920001

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 16

約数和(自身を含む): 3484800

約数和(自身を除く): 564799

約数列:

[1, 7, 43, 89, 109, 301, 623, 763, 3827, 4687, 9701, 26789, 32809, 67907, 417143, 2920001]

約数ペア:

[(1, 2920001), (7, 417143), (43, 67907), (89, 32809), (109, 26789), (301, 9701), (623, 4687), (763, 3827)]