1999465559

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{7307}}^1$

素因数の和:7455

約数の個数: 32

約数和(自身を含む): 2566803456

約数和(自身を除く): 567337897

約数列:

[1, 7, 13, 31, 91, 97, 217, 403, 679, 1261, 2821, 3007, 7307, 8827, 21049, 39091, 51149, 94991, 226517, 273637, 664937, 708779, 1585619, 2944721, 4961453, 9214127, 20613047, 21972149, 64498889, 153805043, 285637937, 1999465559]

約数ペア:

[(1, 1999465559), (7, 285637937), (13, 153805043), (31, 64498889), (91, 21972149), (97, 20613047), (217, 9214127), (403, 4961453), (679, 2944721), (1261, 1585619), (2821, 708779), (3007, 664937), (7307, 273637), (8827, 226517), (21049, 94991), (39091, 51149)]