247691807

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{13789}}^1$

素因数の和:13894

約数の個数: 16

約数和(自身を含む): 285949440

約数和(自身を除く): 38257633

約数列:

[1, 11, 23, 71, 253, 781, 1633, 13789, 17963, 151679, 317147, 979019, 3488617, 10769209, 22517437, 247691807]

約数ペア:

[(1, 247691807), (11, 22517437), (23, 10769209), (71, 3488617), (253, 979019), (781, 317147), (1633, 151679), (13789, 17963)]