208727568

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3907}}^1$

素因数の和:3981

約数の個数: 120

約数和(自身を含む): 680367168

約数和(自身を除く): 471639600

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 53, 56, 63, 72, 84, 106, 112, 126, 144, 159, 168, 212, 252, 318, 336, 371, 424, 477, 504, 636, 742, 848, 954, 1008, 1113, 1272, 1484, 1908, 2226, 2544, 2968, 3339, 3816, 3907, 4452, 5936, 6678, 7632, 7814, 8904, 11721, 13356, 15628, 17808, 23442, 26712, 27349, 31256, 35163, 46884, 53424, 54698, 62512, 70326, 82047, 93768, 109396, 140652, 164094, 187536, 207071, 218792, 246141, 281304, 328188, 414142, 437584, 492282, 562608, 621213, 656376, 828284, 984564, 1242426, 1312752, 1449497, 1656568, 1863639, 1969128, 2484852, 2898994, 3313136, 3727278, 3938256, 4348491, 4969704, 5797988, 7454556, 8696982, 9939408, 11595976, 13045473, 14909112, 17393964, 23191952, 26090946, 29818224, 34787928, 52181892, 69575856, 104363784, 208727568]

約数ペア:

[(1, 208727568), (2, 104363784), (3, 69575856), (4, 52181892), (6, 34787928), (7, 29818224), (8, 26090946), (9, 23191952), (12, 17393964), (14, 14909112), (16, 13045473), (18, 11595976), (21, 9939408), (24, 8696982), (28, 7454556), (36, 5797988), (42, 4969704), (48, 4348491), (53, 3938256), (56, 3727278), (63, 3313136), (72, 2898994), (84, 2484852), (106, 1969128), (112, 1863639), (126, 1656568), (144, 1449497), (159, 1312752), (168, 1242426), (212, 984564), (252, 828284), (318, 656376), (336, 621213), (371, 562608), (424, 492282), (477, 437584), (504, 414142), (636, 328188), (742, 281304), (848, 246141), (954, 218792), (1008, 207071), (1113, 187536), (1272, 164094), (1484, 140652), (1908, 109396), (2226, 93768), (2544, 82047), (2968, 70326), (3339, 62512), (3816, 54698), (3907, 53424), (4452, 46884), (5936, 35163), (6678, 31256), (7632, 27349), (7814, 26712), (8904, 23442), (11721, 17808), (13356, 15628)]