820612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 1586816

約数和(自身を除く): 766204

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 367, 559, 734, 1118, 1468, 2236, 4771, 9542, 15781, 19084, 31562, 63124, 205153, 410306, 820612]

約数ペア:

[(1, 820612), (2, 410306), (4, 205153), (13, 63124), (26, 31562), (43, 19084), (52, 15781), (86, 9542), (172, 4771), (367, 2236), (559, 1468), (734, 1118)]