81319624

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{80039}}^1$

素因数の和:80172

約数の個数: 16

約数和(自身を含む): 153676800

約数和(自身を除く): 72357176

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 80039, 160078, 320156, 640312, 10164953, 20329906, 40659812, 81319624]

約数ペア:

[(1, 81319624), (2, 40659812), (4, 20329906), (8, 10164953), (127, 640312), (254, 320156), (508, 160078), (1016, 80039)]