78988644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1021}}^1$

素因数の和:1345

約数の個数: 72

約数和(自身を含む): 229156928

約数和(自身を除く): 150168284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 307, 614, 921, 1021, 1228, 1842, 2042, 2149, 2763, 3063, 3684, 4084, 4298, 5526, 6126, 6447, 7147, 8596, 9189, 11052, 12252, 12894, 14294, 18378, 19341, 21441, 25788, 28588, 36756, 38682, 42882, 64323, 77364, 85764, 128646, 257292, 313447, 626894, 940341, 1253788, 1880682, 2194129, 2821023, 3761364, 4388258, 5642046, 6582387, 8776516, 11284092, 13164774, 19747161, 26329548, 39494322, 78988644]

約数ペア:

[(1, 78988644), (2, 39494322), (3, 26329548), (4, 19747161), (6, 13164774), (7, 11284092), (9, 8776516), (12, 6582387), (14, 5642046), (18, 4388258), (21, 3761364), (28, 2821023), (36, 2194129), (42, 1880682), (63, 1253788), (84, 940341), (126, 626894), (252, 313447), (307, 257292), (614, 128646), (921, 85764), (1021, 77364), (1228, 64323), (1842, 42882), (2042, 38682), (2149, 36756), (2763, 28588), (3063, 25788), (3684, 21441), (4084, 19341), (4298, 18378), (5526, 14294), (6126, 12894), (6447, 12252), (7147, 11052), (8596, 9189)]