81805856

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{839}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 176541120

約数和(自身を除く): 94735264

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 277, 352, 554, 839, 1108, 1678, 2216, 3047, 3356, 4432, 6094, 6712, 8864, 9229, 12188, 13424, 18458, 24376, 26848, 36916, 48752, 73832, 97504, 147664, 232403, 295328, 464806, 929612, 1859224, 2556433, 3718448, 5112866, 7436896, 10225732, 20451464, 40902928, 81805856]

約数ペア:

[(1, 81805856), (2, 40902928), (4, 20451464), (8, 10225732), (11, 7436896), (16, 5112866), (22, 3718448), (32, 2556433), (44, 1859224), (88, 929612), (176, 464806), (277, 295328), (352, 232403), (554, 147664), (839, 97504), (1108, 73832), (1678, 48752), (2216, 36916), (3047, 26848), (3356, 24376), (4432, 18458), (6094, 13424), (6712, 12188), (8864, 9229)]