281108596

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{7121}}^1$

素因数の和:7335

約数の個数: 24

約数和(自身を含む): 502528320

約数和(自身を除く): 221419724

約数列:

[1, 2, 4, 71, 139, 142, 278, 284, 556, 7121, 9869, 14242, 19738, 28484, 39476, 505591, 989819, 1011182, 1979638, 2022364, 3959276, 70277149, 140554298, 281108596]

約数ペア:

[(1, 281108596), (2, 140554298), (4, 70277149), (71, 3959276), (139, 2022364), (142, 1979638), (278, 1011182), (284, 989819), (556, 505591), (7121, 39476), (9869, 28484), (14242, 19738)]