64639.000000

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 906752

約数和(自身を除く): 464884

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 367, 602, 734, 1204, 1468, 2569, 5138, 10276, 15781, 31562, 63124, 110467, 220934, 441868]

約数ペア:

[(1, 441868), (2, 220934), (4, 110467), (7, 63124), (14, 31562), (28, 15781), (43, 10276), (86, 5138), (172, 2569), (301, 1468), (367, 1204), (602, 734)]