137931404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{463}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 276651648

約数和(自身を除く): 138720244

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 337, 442, 463, 674, 884, 926, 1348, 1852, 4381, 5729, 6019, 7871, 8762, 11458, 12038, 15742, 17524, 22916, 24076, 31484, 74477, 102323, 148954, 156031, 204646, 297908, 312062, 409292, 624124, 2028403, 2652527, 4056806, 5305054, 8113612, 10610108, 34482851, 68965702, 137931404]

約数ペア:

[(1, 137931404), (2, 68965702), (4, 34482851), (13, 10610108), (17, 8113612), (26, 5305054), (34, 4056806), (52, 2652527), (68, 2028403), (221, 624124), (337, 409292), (442, 312062), (463, 297908), (674, 204646), (884, 156031), (926, 148954), (1348, 102323), (1852, 74477), (4381, 31484), (5729, 24076), (6019, 22916), (7871, 17524), (8762, 15742), (11458, 12038)]