12870454

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:695

約数の個数: 16

約数和(自身を含む): 19712160

約数和(自身を除く): 6841706

約数列:

[1, 2, 71, 142, 233, 389, 466, 778, 16543, 27619, 33086, 55238, 90637, 181274, 6435227, 12870454]

約数ペア:

[(1, 12870454), (2, 6435227), (71, 181274), (142, 90637), (233, 55238), (389, 33086), (466, 27619), (778, 16543)]