28137876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{180371}}^1$

素因数の和:180391

約数の個数: 24

約数和(自身を含む): 70705824

約数和(自身を除く): 42567948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 180371, 360742, 541113, 721484, 1082226, 2164452, 2344823, 4689646, 7034469, 9379292, 14068938, 28137876]

約数ペア:

[(1, 28137876), (2, 14068938), (3, 9379292), (4, 7034469), (6, 4689646), (12, 2344823), (13, 2164452), (26, 1082226), (39, 721484), (52, 541113), (78, 360742), (156, 180371)]