247040209

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 294368256

約数和(自身を除く): 47328047

約数列:

[1, 13, 17, 31, 107, 221, 337, 403, 527, 1391, 1819, 3317, 4381, 5729, 6851, 10447, 23647, 36059, 43121, 56389, 74477, 135811, 177599, 468767, 613003, 733057, 1117829, 2308787, 7969039, 14531777, 19003093, 247040209]

約数ペア:

[(1, 247040209), (13, 19003093), (17, 14531777), (31, 7969039), (107, 2308787), (221, 1117829), (337, 733057), (403, 613003), (527, 468767), (1391, 177599), (1819, 135811), (3317, 74477), (4381, 56389), (5729, 43121), (6851, 36059), (10447, 23647)]