247107889

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^2\times {\mathrm{179}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 294166080

約数和(自身を除く): 47058191

約数列:

[1, 7, 53, 61, 179, 371, 427, 1253, 3233, 3721, 9487, 10919, 22631, 26047, 66409, 76433, 197213, 578707, 666059, 1380491, 4050949, 4662413, 35301127, 247107889]

約数ペア:

[(1, 247107889), (7, 35301127), (53, 4662413), (61, 4050949), (179, 1380491), (371, 666059), (427, 578707), (1253, 197213), (3233, 76433), (3721, 66409), (9487, 26047), (10919, 22631)]