2890391

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:358

約数の個数: 16

約数和(自身を含む): 3545856

約数和(自身を除く): 655465

約数列:

[1, 7, 17, 107, 119, 227, 749, 1589, 1819, 3859, 12733, 24289, 27013, 170023, 412913, 2890391]

約数ペア:

[(1, 2890391), (7, 412913), (17, 170023), (107, 27013), (119, 24289), (227, 12733), (749, 3859), (1589, 1819)]