38905559

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 54172800

約数和(自身を除く): 15267241

約数列:

[1, 7, 11, 19, 29, 49, 77, 131, 133, 203, 209, 319, 539, 551, 917, 931, 1421, 1441, 1463, 2233, 2489, 3799, 3857, 6061, 6419, 10087, 10241, 15631, 17423, 26593, 26999, 27379, 41789, 42427, 70609, 72181, 121961, 186151, 191653, 292523, 296989, 505267, 793991, 1341571, 2047661, 3536869, 5557937, 38905559]

約数ペア:

[(1, 38905559), (7, 5557937), (11, 3536869), (19, 2047661), (29, 1341571), (49, 793991), (77, 505267), (131, 296989), (133, 292523), (203, 191653), (209, 186151), (319, 121961), (539, 72181), (551, 70609), (917, 42427), (931, 41789), (1421, 27379), (1441, 26999), (1463, 26593), (2233, 17423), (2489, 15631), (3799, 10241), (3857, 10087), (6061, 6419)]