208021253

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 249876480

約数和(自身を除く): 41855227

約数列:

[1, 11, 19, 31, 97, 209, 331, 341, 589, 1067, 1843, 3007, 3641, 6289, 6479, 10261, 20273, 32107, 33077, 57133, 69179, 112871, 194959, 353177, 610033, 628463, 995317, 2144549, 6710363, 10948487, 18911023, 208021253]

約数ペア:

[(1, 208021253), (11, 18911023), (19, 10948487), (31, 6710363), (97, 2144549), (209, 995317), (331, 628463), (341, 610033), (589, 353177), (1067, 194959), (1843, 112871), (3007, 69179), (3641, 57133), (6289, 33077), (6479, 32107), (10261, 20273)]