128877176

素因数分解:

$2^3\times {\mathrm{199}}^1\times {\mathrm{80953}}^1$

素因数の和:81158

約数の個数: 16

約数和(自身を含む): 242862000

約数和(自身を除く): 113984824

約数列:

[1, 2, 4, 8, 199, 398, 796, 1592, 80953, 161906, 323812, 647624, 16109647, 32219294, 64438588, 128877176]

約数ペア:

[(1, 128877176), (2, 64438588), (4, 32219294), (8, 16109647), (199, 647624), (398, 323812), (796, 161906), (1592, 80953)]