219372461

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 302929920

約数和(自身を除く): 83557459

約数列:

[1, 7, 11, 19, 31, 49, 77, 133, 209, 217, 341, 539, 589, 691, 931, 1463, 1519, 2387, 4123, 4837, 6479, 7601, 10241, 13129, 16709, 21421, 28861, 33859, 45353, 53207, 91903, 144419, 149947, 235631, 317471, 372449, 406999, 643321, 1010933, 1049629, 1649417, 2848993, 4476989, 7076531, 11545919, 19942951, 31338923, 219372461]

約数ペア:

[(1, 219372461), (7, 31338923), (11, 19942951), (19, 11545919), (31, 7076531), (49, 4476989), (77, 2848993), (133, 1649417), (209, 1049629), (217, 1010933), (341, 643321), (539, 406999), (589, 372449), (691, 317471), (931, 235631), (1463, 149947), (1519, 144419), (2387, 91903), (4123, 53207), (4837, 45353), (6479, 33859), (7601, 28861), (10241, 21421), (13129, 16709)]