28315412

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 50426880

約数和(自身を除く): 22111468

約数列:

[1, 2, 4, 127, 139, 254, 278, 401, 508, 556, 802, 1604, 17653, 35306, 50927, 55739, 70612, 101854, 111478, 203708, 222956, 7078853, 14157706, 28315412]

約数ペア:

[(1, 28315412), (2, 14157706), (4, 7078853), (127, 222956), (139, 203708), (254, 111478), (278, 101854), (401, 70612), (508, 55739), (556, 50927), (802, 35306), (1604, 17653)]