About the Number

131686884

131686883 ← → 131686885

2進数表記:111110110010110000111100100

漢数字表記:一億三千百六十八万六千八百八十四

素因数分解:

2 2 × 3 4 × 7 1 × 31 1 × 1873 1

素因数の和:1927
約数の個数: 120
約数和(自身を含む): 406343168
約数和(自身を除く): 274656284

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 81, 84, 93, 108, 124, 126, 162, 186, 189, 217, 252, 279, 324, 372, 378, 434, 558, 567, 651, 756, 837, 868, 1116, 1134, 1302, 1674, 1873, 1953, 2268, 2511, 2604, 3348, 3746, 3906, 5022, 5619, 5859, 7492, 7812, 10044, 11238, 11718, 13111, 16857, 17577, 22476, 23436, 26222, 33714, 35154, 39333, 50571, 52444, 58063, 67428, 70308, 78666, 101142, 116126, 117999, 151713, 157332, 174189, 202284, 232252, 235998, 303426, 348378, 353997, 406441, 471996, 522567, 606852, 696756, 707994, 812882, 1045134, 1061991, 1219323, 1415988, 1567701, 1625764, 2090268, 2123982, 2438646, 3135402, 3657969, 4247964, 4703103, 4877292, 6270804, 7315938, 9406206, 10973907, 14631876, 18812412, 21947814, 32921721, 43895628, 65843442, 131686884]

約数ペア:
[(1, 131686884), (2, 65843442), (3, 43895628), (4, 32921721), (6, 21947814), (7, 18812412), (9, 14631876), (12, 10973907), (14, 9406206), (18, 7315938), (21, 6270804), (27, 4877292), (28, 4703103), (31, 4247964), (36, 3657969), (42, 3135402), (54, 2438646), (62, 2123982), (63, 2090268), (81, 1625764), (84, 1567701), (93, 1415988), (108, 1219323), (124, 1061991), (126, 1045134), (162, 812882), (186, 707994), (189, 696756), (217, 606852), (252, 522567), (279, 471996), (324, 406441), (372, 353997), (378, 348378), (434, 303426), (558, 235998), (567, 232252), (651, 202284), (756, 174189), (837, 157332), (868, 151713), (1116, 117999), (1134, 116126), (1302, 101142), (1674, 78666), (1873, 70308), (1953, 67428), (2268, 58063), (2511, 52444), (2604, 50571), (3348, 39333), (3746, 35154), (3906, 33714), (5022, 26222), (5619, 23436), (5859, 22476), (7492, 17577), (7812, 16857), (10044, 13111), (11238, 11718)]

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