12904945

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 15979392

約数和(自身を除く): 3074447

約数列:

[1, 5, 43, 193, 215, 311, 965, 1555, 8299, 13373, 41495, 60023, 66865, 300115, 2580989, 12904945]

約数ペア:

[(1, 12904945), (5, 2580989), (43, 300115), (193, 66865), (215, 60023), (311, 41495), (965, 13373), (1555, 8299)]