2108556815

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{239201}}^1$

素因数の和:239290

約数の個数: 16

約数和(自身を含む): 2652271776

約数和(自身を除く): 543714961

約数列:

[1, 5, 41, 43, 205, 215, 1763, 8815, 239201, 1196005, 9807241, 10285643, 49036205, 51428215, 421711363, 2108556815]

約数ペア:

[(1, 2108556815), (5, 421711363), (41, 51428215), (43, 49036205), (205, 10285643), (215, 9807241), (1763, 1196005), (8815, 239201)]