489403486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{8599}}^1$

素因数の和:8824

約数の個数: 32

約数和(自身を含む): 866880000

約数和(自身を除く): 377476514

約数列:

[1, 2, 11, 13, 22, 26, 143, 199, 286, 398, 2189, 2587, 4378, 5174, 8599, 17198, 28457, 56914, 94589, 111787, 189178, 223574, 1229657, 1711201, 2459314, 3422402, 18823211, 22245613, 37646422, 44491226, 244701743, 489403486]

約数ペア:

[(1, 489403486), (2, 244701743), (11, 44491226), (13, 37646422), (22, 22245613), (26, 18823211), (143, 3422402), (199, 2459314), (286, 1711201), (398, 1229657), (2189, 223574), (2587, 189178), (4378, 111787), (5174, 94589), (8599, 56914), (17198, 28457)]