157523216

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{25309}}^1$

素因数の和:25706

約数の個数: 20

約数和(自身を含む): 305997900

約数和(自身を除く): 148474684

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 25309, 50618, 101236, 202472, 404944, 9845201, 19690402, 39380804, 78761608, 157523216]

約数ペア:

[(1, 157523216), (2, 78761608), (4, 39380804), (8, 19690402), (16, 9845201), (389, 404944), (778, 202472), (1556, 101236), (3112, 50618), (6224, 25309)]