About the Number

201121728

201121727 ← → 201121729

2進数表記:1011111111001101111111000000

漢数字表記:二億百十二万千七百二十八

素因数分解:

2 6 × 3 1 × 29 1 × 41 1 × 881 1

素因数の和:966
約数の個数: 112
約数和(自身を含む): 564550560
約数和(自身を除く): 363428832

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 41, 48, 58, 64, 82, 87, 96, 116, 123, 164, 174, 192, 232, 246, 328, 348, 464, 492, 656, 696, 881, 928, 984, 1189, 1312, 1392, 1762, 1856, 1968, 2378, 2624, 2643, 2784, 3524, 3567, 3936, 4756, 5286, 5568, 7048, 7134, 7872, 9512, 10572, 14096, 14268, 19024, 21144, 25549, 28192, 28536, 36121, 38048, 42288, 51098, 56384, 57072, 72242, 76096, 76647, 84576, 102196, 108363, 114144, 144484, 153294, 169152, 204392, 216726, 228288, 288968, 306588, 408784, 433452, 577936, 613176, 817568, 866904, 1047509, 1155872, 1226352, 1635136, 1733808, 2095018, 2311744, 2452704, 3142527, 3467616, 4190036, 4905408, 6285054, 6935232, 8380072, 12570108, 16760144, 25140216, 33520288, 50280432, 67040576, 100560864, 201121728]

約数ペア:
[(1, 201121728), (2, 100560864), (3, 67040576), (4, 50280432), (6, 33520288), (8, 25140216), (12, 16760144), (16, 12570108), (24, 8380072), (29, 6935232), (32, 6285054), (41, 4905408), (48, 4190036), (58, 3467616), (64, 3142527), (82, 2452704), (87, 2311744), (96, 2095018), (116, 1733808), (123, 1635136), (164, 1226352), (174, 1155872), (192, 1047509), (232, 866904), (246, 817568), (328, 613176), (348, 577936), (464, 433452), (492, 408784), (656, 306588), (696, 288968), (881, 228288), (928, 216726), (984, 204392), (1189, 169152), (1312, 153294), (1392, 144484), (1762, 114144), (1856, 108363), (1968, 102196), (2378, 84576), (2624, 76647), (2643, 76096), (2784, 72242), (3524, 57072), (3567, 56384), (3936, 51098), (4756, 42288), (5286, 38048), (5568, 36121), (7048, 28536), (7134, 28192), (7872, 25549), (9512, 21144), (10572, 19024), (14096, 14268)]

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