1997705087

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 2440281600

約数和(自身を除く): 442576513

約数列:

[1, 7, 19, 107, 133, 229, 613, 749, 1603, 2033, 4291, 4351, 11647, 14231, 24503, 30457, 65591, 81529, 140377, 171521, 459137, 465557, 982639, 1246229, 2667163, 3258899, 8723603, 15020339, 18670141, 105142373, 285386441, 1997705087]

約数ペア:

[(1, 1997705087), (7, 285386441), (19, 105142373), (107, 18670141), (133, 15020339), (229, 8723603), (613, 3258899), (749, 2667163), (1603, 1246229), (2033, 982639), (4291, 465557), (4351, 459137), (11647, 171521), (14231, 140377), (24503, 81529), (30457, 65591)]