280865286

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{400093}}^1$

素因数の和:400117

約数の個数: 32

約数和(自身を含む): 672157920

約数和(自身を除く): 391292634

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 400093, 800186, 1200279, 2400558, 3600837, 5201209, 7201674, 10402418, 10802511, 15603627, 21605022, 31207254, 46810881, 93621762, 140432643, 280865286]

約数ペア:

[(1, 280865286), (2, 140432643), (3, 93621762), (6, 46810881), (9, 31207254), (13, 21605022), (18, 15603627), (26, 10802511), (27, 10402418), (39, 7201674), (54, 5201209), (78, 3600837), (117, 2400558), (234, 1200279), (351, 800186), (702, 400093)]