640051566318

素因数分解:

$2^1\times 3^2\times {\mathrm{212903}}^1\times {\mathrm{167017}}^1$

素因数の和:379928

約数の個数: 24

約数和(自身を含む): 1386793210608

約数和(自身を除く): 746741644290

約数列:

[1, 2, 3, 6, 9, 18, 167017, 212903, 334034, 425806, 501051, 638709, 1002102, 1277418, 1503153, 1916127, 3006306, 3832254, 35558420351, 71116840702, 106675261053, 213350522106, 320025783159, 640051566318]

約数ペア:

[(1, 640051566318), (2, 320025783159), (3, 213350522106), (6, 106675261053), (9, 71116840702), (18, 35558420351), (167017, 3832254), (212903, 3006306), (334034, 1916127), (425806, 1503153), (501051, 1277418), (638709, 1002102)]