28791856

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{20219}}^1$

素因数の和:20316

約数の個数: 20

約数和(自身を含む): 56413800

約数和(自身を除く): 27621944

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 20219, 40438, 80876, 161752, 323504, 1799491, 3598982, 7197964, 14395928, 28791856]

約数ペア:

[(1, 28791856), (2, 14395928), (4, 7197964), (8, 3598982), (16, 1799491), (89, 323504), (178, 161752), (356, 80876), (712, 40438), (1424, 20219)]