2081845

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 2673792

約数和(自身を除く): 591947

約数列:

[1, 5, 23, 43, 115, 215, 421, 989, 2105, 4945, 9683, 18103, 48415, 90515, 416369, 2081845]

約数ペア:

[(1, 2081845), (5, 416369), (23, 90515), (43, 48415), (115, 18103), (215, 9683), (421, 4945), (989, 2105)]