78719152

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{28439}}^1$

素因数の和:28620

約数の個数: 20

約数和(自身を含む): 153405360

約数和(自身を除く): 74686208

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 28439, 56878, 113756, 227512, 455024, 4919947, 9839894, 19679788, 39359576, 78719152]

約数ペア:

[(1, 78719152), (2, 39359576), (4, 19679788), (8, 9839894), (16, 4919947), (173, 455024), (346, 227512), (692, 113756), (1384, 56878), (2768, 28439)]