128418241

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{3581}}^1$

素因数の和:3744

約数の個数: 16

約数和(自身を含む): 151303680

約数和(自身を除く): 22885439

約数列:

[1, 7, 47, 109, 329, 763, 3581, 5123, 25067, 35861, 168307, 390329, 1178149, 2732303, 18345463, 128418241]

約数ペア:

[(1, 128418241), (7, 18345463), (47, 2732303), (109, 1178149), (329, 390329), (763, 168307), (3581, 35861), (5123, 25067)]