280890486

素因数分解:

$2^1\times 3^2\times {\mathrm{239}}^1\times {\mathrm{65293}}^1$

素因数の和:65540

約数の個数: 24

約数和(自身を含む): 611151840

約数和(自身を除く): 330261354

約数列:

[1, 2, 3, 6, 9, 18, 239, 478, 717, 1434, 2151, 4302, 65293, 130586, 195879, 391758, 587637, 1175274, 15605027, 31210054, 46815081, 93630162, 140445243, 280890486]

約数ペア:

[(1, 280890486), (2, 140445243), (3, 93630162), (6, 46815081), (9, 31210054), (18, 15605027), (239, 1175274), (478, 587637), (717, 391758), (1434, 195879), (2151, 130586), (4302, 65293)]