1991912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 4082400

約数和(自身を除く): 2090488

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 179, 214, 358, 428, 716, 856, 1391, 1432, 2327, 2782, 4654, 5564, 9308, 11128, 18616, 19153, 38306, 76612, 153224, 248989, 497978, 995956, 1991912]

約数ペア:

[(1, 1991912), (2, 995956), (4, 497978), (8, 248989), (13, 153224), (26, 76612), (52, 38306), (104, 19153), (107, 18616), (179, 11128), (214, 9308), (358, 5564), (428, 4654), (716, 2782), (856, 2327), (1391, 1432)]