16992521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 22256640

約数和(自身を除く): 5264119

約数列:

[1, 7, 13, 29, 47, 91, 137, 203, 329, 377, 611, 959, 1363, 1781, 2639, 3973, 4277, 6439, 9541, 12467, 17719, 27811, 45073, 51649, 83707, 124033, 186731, 361543, 585949, 1307117, 2427503, 16992521]

約数ペア:

[(1, 16992521), (7, 2427503), (13, 1307117), (29, 585949), (47, 361543), (91, 186731), (137, 124033), (203, 83707), (329, 51649), (377, 45073), (611, 27811), (959, 17719), (1363, 12467), (1781, 9541), (2639, 6439), (3973, 4277)]