78897139

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 89370000

約数和(自身を除く): 10472861

約数列:

[1, 19, 29, 31, 149, 551, 589, 899, 961, 2831, 4321, 4619, 17081, 18259, 27869, 82099, 87761, 133951, 143189, 529511, 2545069, 2720591, 4152481, 78897139]

約数ペア:

[(1, 78897139), (19, 4152481), (29, 2720591), (31, 2545069), (149, 529511), (551, 143189), (589, 133951), (899, 87761), (961, 82099), (2831, 27869), (4321, 18259), (4619, 17081)]