128570418

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{27793}}^1$

素因数の和:28058

約数の個数: 24

約数和(自身を含む): 279663228

約数和(自身を除く): 151092810

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 4626, 27793, 55586, 83379, 166758, 250137, 500274, 7142801, 14285602, 21428403, 42856806, 64285209, 128570418]

約数ペア:

[(1, 128570418), (2, 64285209), (3, 42856806), (6, 21428403), (9, 14285602), (18, 7142801), (257, 500274), (514, 250137), (771, 166758), (1542, 83379), (2313, 55586), (4626, 27793)]