About the Number

81430428

81430427 ← → 81430429

2進数表記:100110110101000011110011100

漢数字表記:八千百四十三万四百二十八

素因数分解:

2 2 × 3 1 × 19 1 × 31 1 × 41 1 × 281 1

素因数の和:379
約数の個数: 96
約数和(自身を含む): 212244480
約数和(自身を除く): 130814052

約数列:
[1, 2, 3, 4, 6, 12, 19, 31, 38, 41, 57, 62, 76, 82, 93, 114, 123, 124, 164, 186, 228, 246, 281, 372, 492, 562, 589, 779, 843, 1124, 1178, 1271, 1558, 1686, 1767, 2337, 2356, 2542, 3116, 3372, 3534, 3813, 4674, 5084, 5339, 7068, 7626, 8711, 9348, 10678, 11521, 15252, 16017, 17422, 21356, 23042, 24149, 26133, 32034, 34563, 34844, 46084, 48298, 52266, 64068, 69126, 72447, 96596, 104532, 138252, 144894, 165509, 218899, 289788, 331018, 357151, 437798, 496527, 656697, 662036, 714302, 875596, 993054, 1071453, 1313394, 1428604, 1986108, 2142906, 2626788, 4285812, 6785869, 13571738, 20357607, 27143476, 40715214, 81430428]

約数ペア:
[(1, 81430428), (2, 40715214), (3, 27143476), (4, 20357607), (6, 13571738), (12, 6785869), (19, 4285812), (31, 2626788), (38, 2142906), (41, 1986108), (57, 1428604), (62, 1313394), (76, 1071453), (82, 993054), (93, 875596), (114, 714302), (123, 662036), (124, 656697), (164, 496527), (186, 437798), (228, 357151), (246, 331018), (281, 289788), (372, 218899), (492, 165509), (562, 144894), (589, 138252), (779, 104532), (843, 96596), (1124, 72447), (1178, 69126), (1271, 64068), (1558, 52266), (1686, 48298), (1767, 46084), (2337, 34844), (2356, 34563), (2542, 32034), (3116, 26133), (3372, 24149), (3534, 23042), (3813, 21356), (4674, 17422), (5084, 16017), (5339, 15252), (7068, 11521), (7626, 10678), (8711, 9348)]

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