157400816

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{22409}}^1$

素因数の和:22856

約数の個数: 20

約数和(自身を含む): 305672400

約数和(自身を除く): 148271584

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3512, 7024, 22409, 44818, 89636, 179272, 358544, 9837551, 19675102, 39350204, 78700408, 157400816]

約数ペア:

[(1, 157400816), (2, 78700408), (4, 39350204), (8, 19675102), (16, 9837551), (439, 358544), (878, 179272), (1756, 89636), (3512, 44818), (7024, 22409)]