2893891

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:104

約数の個数: 32

約数和(自身を含む): 4032000

約数和(自身を除く): 1138109

約数列:

[1, 7, 11, 13, 49, 59, 77, 91, 143, 343, 413, 539, 637, 649, 767, 1001, 2891, 3773, 4459, 4543, 5369, 7007, 8437, 20237, 31801, 37583, 49049, 59059, 222607, 263081, 413413, 2893891]

約数ペア:

[(1, 2893891), (7, 413413), (11, 263081), (13, 222607), (49, 59059), (59, 49049), (77, 37583), (91, 31801), (143, 20237), (343, 8437), (413, 7007), (539, 5369), (637, 4543), (649, 4459), (767, 3773), (1001, 2891)]