278664289

素因数分解:

${\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1\times {\mathrm{383}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 299040768

約数和(自身を除く): 20376479

約数列:

[1, 17, 127, 337, 383, 2159, 5729, 6511, 42799, 48641, 129071, 727583, 826897, 2194207, 16392017, 278664289]

約数ペア:

[(1, 278664289), (17, 16392017), (127, 2194207), (337, 826897), (383, 727583), (2159, 129071), (5729, 48641), (6511, 42799)]