28394792

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 54885600

約数和(自身を除く): 26490808

約数列:

[1, 2, 4, 8, 43, 86, 172, 197, 344, 394, 419, 788, 838, 1576, 1676, 3352, 8471, 16942, 18017, 33884, 36034, 67768, 72068, 82543, 144136, 165086, 330172, 660344, 3549349, 7098698, 14197396, 28394792]

約数ペア:

[(1, 28394792), (2, 14197396), (4, 7098698), (8, 3549349), (43, 660344), (86, 330172), (172, 165086), (197, 144136), (344, 82543), (394, 72068), (419, 67768), (788, 36034), (838, 33884), (1576, 18017), (1676, 16942), (3352, 8471)]