338491184

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{21391}}^1$

素因数の和:21465

約数の個数: 40

約数和(自身を含む): 700288512

約数和(自身を除く): 361797328

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912, 15824, 21391, 42782, 85564, 171128, 342256, 491993, 919813, 983986, 1839626, 1967972, 3679252, 3935944, 7358504, 7871888, 14717008, 21155699, 42311398, 84622796, 169245592, 338491184]

約数ペア:

[(1, 338491184), (2, 169245592), (4, 84622796), (8, 42311398), (16, 21155699), (23, 14717008), (43, 7871888), (46, 7358504), (86, 3935944), (92, 3679252), (172, 1967972), (184, 1839626), (344, 983986), (368, 919813), (688, 491993), (989, 342256), (1978, 171128), (3956, 85564), (7912, 42782), (15824, 21391)]