About the Number

28666872

28666871 ← → 28666873

2進数表記:1101101010110101111111000

漢数字表記:二千八百六十六万六千八百七十二

素因数分解:

2 3 × 3 4 × 13 1 × 41 1 × 83 1

素因数の和:155
約数の個数: 160
約数和(自身を含む): 89646480
約数和(自身を除く): 60979608

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 41, 52, 54, 72, 78, 81, 82, 83, 104, 108, 117, 123, 156, 162, 164, 166, 216, 234, 246, 249, 312, 324, 328, 332, 351, 369, 468, 492, 498, 533, 648, 664, 702, 738, 747, 936, 984, 996, 1053, 1066, 1079, 1107, 1404, 1476, 1494, 1599, 1992, 2106, 2132, 2158, 2214, 2241, 2808, 2952, 2988, 3198, 3237, 3321, 3403, 4212, 4264, 4316, 4428, 4482, 4797, 5976, 6396, 6474, 6642, 6723, 6806, 8424, 8632, 8856, 8964, 9594, 9711, 10209, 12792, 12948, 13284, 13446, 13612, 14391, 17928, 19188, 19422, 20418, 25896, 26568, 26892, 27224, 28782, 29133, 30627, 38376, 38844, 40836, 43173, 44239, 53784, 57564, 58266, 61254, 77688, 81672, 86346, 87399, 88478, 91881, 115128, 116532, 122508, 132717, 172692, 174798, 176956, 183762, 233064, 245016, 265434, 275643, 345384, 349596, 353912, 367524, 398151, 530868, 551286, 699192, 735048, 796302, 1061736, 1102572, 1194453, 1592604, 2205144, 2388906, 3185208, 3583359, 4777812, 7166718, 9555624, 14333436, 28666872]

約数ペア:
[(1, 28666872), (2, 14333436), (3, 9555624), (4, 7166718), (6, 4777812), (8, 3583359), (9, 3185208), (12, 2388906), (13, 2205144), (18, 1592604), (24, 1194453), (26, 1102572), (27, 1061736), (36, 796302), (39, 735048), (41, 699192), (52, 551286), (54, 530868), (72, 398151), (78, 367524), (81, 353912), (82, 349596), (83, 345384), (104, 275643), (108, 265434), (117, 245016), (123, 233064), (156, 183762), (162, 176956), (164, 174798), (166, 172692), (216, 132717), (234, 122508), (246, 116532), (249, 115128), (312, 91881), (324, 88478), (328, 87399), (332, 86346), (351, 81672), (369, 77688), (468, 61254), (492, 58266), (498, 57564), (533, 53784), (648, 44239), (664, 43173), (702, 40836), (738, 38844), (747, 38376), (936, 30627), (984, 29133), (996, 28782), (1053, 27224), (1066, 26892), (1079, 26568), (1107, 25896), (1404, 20418), (1476, 19422), (1494, 19188), (1599, 17928), (1992, 14391), (2106, 13612), (2132, 13446), (2158, 13284), (2214, 12948), (2241, 12792), (2808, 10209), (2952, 9711), (2988, 9594), (3198, 8964), (3237, 8856), (3321, 8632), (3403, 8424), (4212, 6806), (4264, 6723), (4316, 6642), (4428, 6474), (4482, 6396), (4797, 5976)]

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