209946984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{15649}}^1$

素因数の和:15714

約数の個数: 64

約数和(自身を含む): 578424000

約数和(自身を除く): 368477016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2236, 3354, 4472, 6708, 13416, 15649, 31298, 46947, 62596, 93894, 125192, 187788, 203437, 375576, 406874, 610311, 672907, 813748, 1220622, 1345814, 1627496, 2018721, 2441244, 2691628, 4037442, 4882488, 5383256, 8074884, 8747791, 16149768, 17495582, 26243373, 34991164, 52486746, 69982328, 104973492, 209946984]

約数ペア:

[(1, 209946984), (2, 104973492), (3, 69982328), (4, 52486746), (6, 34991164), (8, 26243373), (12, 17495582), (13, 16149768), (24, 8747791), (26, 8074884), (39, 5383256), (43, 4882488), (52, 4037442), (78, 2691628), (86, 2441244), (104, 2018721), (129, 1627496), (156, 1345814), (172, 1220622), (258, 813748), (312, 672907), (344, 610311), (516, 406874), (559, 375576), (1032, 203437), (1118, 187788), (1677, 125192), (2236, 93894), (3354, 62596), (4472, 46947), (6708, 31298), (13416, 15649)]