78647681

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{283}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 95901120

約数和(自身を除く): 17253439

約数列:

[1, 7, 29, 37, 203, 259, 283, 1073, 1369, 1981, 7511, 8207, 9583, 10471, 39701, 57449, 73297, 277907, 303659, 387427, 2125613, 2711989, 11235383, 78647681]

約数ペア:

[(1, 78647681), (7, 11235383), (29, 2711989), (37, 2125613), (203, 387427), (259, 303659), (283, 277907), (1073, 73297), (1369, 57449), (1981, 39701), (7511, 10471), (8207, 9583)]