28573468

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 65787120

約数和(自身を除く): 37213652

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 154, 196, 203, 308, 319, 406, 457, 539, 638, 812, 914, 1078, 1276, 1421, 1828, 2156, 2233, 2842, 3199, 4466, 5027, 5684, 6398, 8932, 10054, 12796, 13253, 15631, 20108, 22393, 26506, 31262, 35189, 44786, 53012, 62524, 70378, 89572, 92771, 140756, 145783, 185542, 246323, 291566, 371084, 492646, 583132, 649397, 985292, 1020481, 1298794, 2040962, 2597588, 4081924, 7143367, 14286734, 28573468]

約数ペア:

[(1, 28573468), (2, 14286734), (4, 7143367), (7, 4081924), (11, 2597588), (14, 2040962), (22, 1298794), (28, 1020481), (29, 985292), (44, 649397), (49, 583132), (58, 492646), (77, 371084), (98, 291566), (116, 246323), (154, 185542), (196, 145783), (203, 140756), (308, 92771), (319, 89572), (406, 70378), (457, 62524), (539, 53012), (638, 44786), (812, 35189), (914, 31262), (1078, 26506), (1276, 22393), (1421, 20108), (1828, 15631), (2156, 13253), (2233, 12796), (2842, 10054), (3199, 8932), (4466, 6398), (5027, 5684)]