28644856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{947}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 56880000

約数和(自身を除く): 28235144

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 947, 1592, 1894, 3781, 3788, 7562, 7576, 15124, 17993, 30248, 35986, 71972, 143944, 188453, 376906, 753812, 1507624, 3580607, 7161214, 14322428, 28644856]

約数ペア:

[(1, 28644856), (2, 14322428), (4, 7161214), (8, 3580607), (19, 1507624), (38, 753812), (76, 376906), (152, 188453), (199, 143944), (398, 71972), (796, 35986), (947, 30248), (1592, 17993), (1894, 15124), (3781, 7576), (3788, 7562)]