345884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1123}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 755328

約数和(自身を除く): 409444

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 1123, 2246, 4492, 7861, 12353, 15722, 24706, 31444, 49412, 86471, 172942, 345884]

約数ペア:

[(1, 345884), (2, 172942), (4, 86471), (7, 49412), (11, 31444), (14, 24706), (22, 15722), (28, 12353), (44, 7861), (77, 4492), (154, 2246), (308, 1123)]