663575038

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{131297}}^1$

素因数の和:131344

約数の個数: 24

約数和(自身を含む): 1200588912

約数和(自身を除く): 537013874

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 131297, 262594, 919079, 1838158, 2494643, 4989286, 17462501, 34925002, 47398217, 94796434, 331787519, 663575038]

約数ペア:

[(1, 663575038), (2, 331787519), (7, 94796434), (14, 47398217), (19, 34925002), (38, 17462501), (133, 4989286), (266, 2494643), (361, 1838158), (722, 919079), (2527, 262594), (5054, 131297)]