About the Number

208609128

208609127 ← → 208609129

2進数表記:1100011011110001111101101000

漢数字表記:二億八百六十万九千百二十八

素因数分解:

2 3 × 3 3 × 7 1 × 13 1 × 10613 1

素因数の和:10648
約数の個数: 128
約数和(自身を含む): 713260800
約数和(自身を除く): 504651672

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1404, 1512, 1638, 2184, 2457, 2808, 3276, 4914, 6552, 9828, 10613, 19656, 21226, 31839, 42452, 63678, 74291, 84904, 95517, 127356, 137969, 148582, 191034, 222873, 254712, 275938, 286551, 297164, 382068, 413907, 445746, 551876, 573102, 594328, 668619, 764136, 827814, 891492, 965783, 1103752, 1146204, 1241721, 1337238, 1655628, 1782984, 1931566, 2005857, 2292408, 2483442, 2674476, 2897349, 3311256, 3725163, 3863132, 4011714, 4966884, 5348952, 5794698, 7450326, 7726264, 8023428, 8692047, 9933768, 11589396, 14900652, 16046856, 17384094, 23178792, 26076141, 29801304, 34768188, 52152282, 69536376, 104304564, 208609128]

約数ペア:
[(1, 208609128), (2, 104304564), (3, 69536376), (4, 52152282), (6, 34768188), (7, 29801304), (8, 26076141), (9, 23178792), (12, 17384094), (13, 16046856), (14, 14900652), (18, 11589396), (21, 9933768), (24, 8692047), (26, 8023428), (27, 7726264), (28, 7450326), (36, 5794698), (39, 5348952), (42, 4966884), (52, 4011714), (54, 3863132), (56, 3725163), (63, 3311256), (72, 2897349), (78, 2674476), (84, 2483442), (91, 2292408), (104, 2005857), (108, 1931566), (117, 1782984), (126, 1655628), (156, 1337238), (168, 1241721), (182, 1146204), (189, 1103752), (216, 965783), (234, 891492), (252, 827814), (273, 764136), (312, 668619), (351, 594328), (364, 573102), (378, 551876), (468, 445746), (504, 413907), (546, 382068), (702, 297164), (728, 286551), (756, 275938), (819, 254712), (936, 222873), (1092, 191034), (1404, 148582), (1512, 137969), (1638, 127356), (2184, 95517), (2457, 84904), (2808, 74291), (3276, 63678), (4914, 42452), (6552, 31839), (9828, 21226), (10613, 19656)]

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