816208

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:514

約数の個数: 20

約数和(自身を含む): 1597120

約数和(自身を除く): 780912

約数列:

[1, 2, 4, 8, 16, 139, 278, 367, 556, 734, 1112, 1468, 2224, 2936, 5872, 51013, 102026, 204052, 408104, 816208]

約数ペア:

[(1, 816208), (2, 408104), (4, 204052), (8, 102026), (16, 51013), (139, 5872), (278, 2936), (367, 2224), (556, 1468), (734, 1112)]