297986689

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 435056832

約数和(自身を除く): 137070143

約数列:

[1, 7, 11, 13, 23, 43, 49, 77, 91, 143, 161, 253, 299, 301, 473, 539, 559, 637, 989, 1001, 1127, 1771, 1849, 2093, 2107, 3289, 3311, 3913, 6149, 6923, 7007, 10879, 12397, 12857, 12943, 14651, 20339, 23023, 23177, 24037, 27391, 42527, 43043, 48461, 76153, 89999, 90601, 141427, 142373, 161161, 168259, 264407, 297689, 301301, 467797, 533071, 552851, 629993, 989989, 996611, 1177813, 1850849, 2083823, 3274579, 3869957, 6081361, 6929923, 12955943, 22922053, 27089699, 42569527, 297986689]

約数ペア:

[(1, 297986689), (7, 42569527), (11, 27089699), (13, 22922053), (23, 12955943), (43, 6929923), (49, 6081361), (77, 3869957), (91, 3274579), (143, 2083823), (161, 1850849), (253, 1177813), (299, 996611), (301, 989989), (473, 629993), (539, 552851), (559, 533071), (637, 467797), (989, 301301), (1001, 297689), (1127, 264407), (1771, 168259), (1849, 161161), (2093, 142373), (2107, 141427), (3289, 90601), (3311, 89999), (3913, 76153), (6149, 48461), (6923, 43043), (7007, 42527), (10879, 27391), (12397, 24037), (12857, 23177), (12943, 23023), (14651, 20339)]