157884208

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{25367}}^1$

素因数の和:25764

約数の個数: 20

約数和(自身を含む): 306699120

約数和(自身を除く): 148814912

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 25367, 50734, 101468, 202936, 405872, 9867763, 19735526, 39471052, 78942104, 157884208]

約数ペア:

[(1, 157884208), (2, 78942104), (4, 39471052), (8, 19735526), (16, 9867763), (389, 405872), (778, 202936), (1556, 101468), (3112, 50734), (6224, 25367)]