290349317

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 328458240

約数和(自身を除く): 38108923

約数列:

[1, 19, 31, 53, 71, 131, 589, 1007, 1349, 1643, 2201, 2489, 3763, 4061, 6943, 9301, 31217, 41819, 71497, 77159, 116653, 131917, 176719, 215233, 288331, 492953, 2216407, 4089427, 5478289, 9366107, 15281543, 290349317]

約数ペア:

[(1, 290349317), (19, 15281543), (31, 9366107), (53, 5478289), (71, 4089427), (131, 2216407), (589, 492953), (1007, 288331), (1349, 215233), (1643, 176719), (2201, 131917), (2489, 116653), (3763, 77159), (4061, 71497), (6943, 41819), (9301, 31217)]