128415428

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{3253}}^1$

素因数の和:3467

約数の個数: 24

約数和(自身を含む): 229602240

約数和(自身を除く): 101186812

約数列:

[1, 2, 4, 71, 139, 142, 278, 284, 556, 3253, 6506, 9869, 13012, 19738, 39476, 230963, 452167, 461926, 904334, 923852, 1808668, 32103857, 64207714, 128415428]

約数ペア:

[(1, 128415428), (2, 64207714), (4, 32103857), (71, 1808668), (139, 923852), (142, 904334), (278, 461926), (284, 452167), (556, 230963), (3253, 39476), (6506, 19738), (9869, 13012)]