128797576

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{4759}}^1$

素因数の和:4981

約数の個数: 32

約数和(自身を含む): 257040000

約数和(自身を除く): 128242424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 796, 1592, 3383, 4759, 6766, 9518, 13532, 19036, 27064, 38072, 80903, 161806, 323612, 647224, 947041, 1894082, 3788164, 7576328, 16099697, 32199394, 64398788, 128797576]

約数ペア:

[(1, 128797576), (2, 64398788), (4, 32199394), (8, 16099697), (17, 7576328), (34, 3788164), (68, 1894082), (136, 947041), (199, 647224), (398, 323612), (796, 161806), (1592, 80903), (3383, 38072), (4759, 27064), (6766, 19036), (9518, 13532)]