28484976

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 79994880

約数和(自身を除く): 51509904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 191, 208, 239, 312, 382, 478, 573, 624, 717, 764, 956, 1146, 1434, 1528, 1912, 2292, 2483, 2868, 3056, 3107, 3824, 4584, 4966, 5736, 6214, 7449, 9168, 9321, 9932, 11472, 12428, 14898, 18642, 19864, 24856, 29796, 37284, 39728, 45649, 49712, 59592, 74568, 91298, 119184, 136947, 149136, 182596, 273894, 365192, 547788, 593437, 730384, 1095576, 1186874, 1780311, 2191152, 2373748, 3560622, 4747496, 7121244, 9494992, 14242488, 28484976]

約数ペア:

[(1, 28484976), (2, 14242488), (3, 9494992), (4, 7121244), (6, 4747496), (8, 3560622), (12, 2373748), (13, 2191152), (16, 1780311), (24, 1186874), (26, 1095576), (39, 730384), (48, 593437), (52, 547788), (78, 365192), (104, 273894), (156, 182596), (191, 149136), (208, 136947), (239, 119184), (312, 91298), (382, 74568), (478, 59592), (573, 49712), (624, 45649), (717, 39728), (764, 37284), (956, 29796), (1146, 24856), (1434, 19864), (1528, 18642), (1912, 14898), (2292, 12428), (2483, 11472), (2868, 9932), (3056, 9321), (3107, 9168), (3824, 7449), (4584, 6214), (4966, 5736)]