127577989

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 180633600

約数和(自身を除く): 53055611

約数列:

[1, 7, 11, 19, 29, 31, 77, 97, 133, 203, 209, 217, 319, 341, 551, 589, 679, 899, 1067, 1463, 1843, 2233, 2387, 2813, 3007, 3857, 4123, 6061, 6293, 6479, 7469, 9889, 12901, 17081, 19691, 20273, 21049, 30943, 33077, 42427, 45353, 53447, 57133, 69223, 87203, 119567, 141911, 187891, 216601, 231539, 374129, 399931, 587917, 610421, 628463, 959233, 1315237, 1656857, 4115419, 4399241, 6714631, 11597999, 18225427, 127577989]

約数ペア:

[(1, 127577989), (7, 18225427), (11, 11597999), (19, 6714631), (29, 4399241), (31, 4115419), (77, 1656857), (97, 1315237), (133, 959233), (203, 628463), (209, 610421), (217, 587917), (319, 399931), (341, 374129), (551, 231539), (589, 216601), (679, 187891), (899, 141911), (1067, 119567), (1463, 87203), (1843, 69223), (2233, 57133), (2387, 53447), (2813, 45353), (3007, 42427), (3857, 33077), (4123, 30943), (6061, 21049), (6293, 20273), (6479, 19691), (7469, 17081), (9889, 12901)]