About the Number

138668208

138668207 ← → 138668209

2進数表記:1000010000111110100010110000

漢数字表記:一億三千八百六十六万八千二百八

素因数分解:

2 4 × 3 1 × 7 1 × 31 1 × 13313 1

素因数の和:13362
約数の個数: 80
約数和(自身を含む): 422639616
約数和(自身を除く): 283971408

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 13313, 26626, 39939, 53252, 79878, 93191, 106504, 159756, 186382, 213008, 279573, 319512, 372764, 412703, 559146, 639024, 745528, 825406, 1118292, 1238109, 1491056, 1650812, 2236584, 2476218, 2888921, 3301624, 4473168, 4952436, 5777842, 6603248, 8666763, 9904872, 11555684, 17333526, 19809744, 23111368, 34667052, 46222736, 69334104, 138668208]

約数ペア:
[(1, 138668208), (2, 69334104), (3, 46222736), (4, 34667052), (6, 23111368), (7, 19809744), (8, 17333526), (12, 11555684), (14, 9904872), (16, 8666763), (21, 6603248), (24, 5777842), (28, 4952436), (31, 4473168), (42, 3301624), (48, 2888921), (56, 2476218), (62, 2236584), (84, 1650812), (93, 1491056), (112, 1238109), (124, 1118292), (168, 825406), (186, 745528), (217, 639024), (248, 559146), (336, 412703), (372, 372764), (434, 319512), (496, 279573), (651, 213008), (744, 186382), (868, 159756), (1302, 106504), (1488, 93191), (1736, 79878), (2604, 53252), (3472, 39939), (5208, 26626), (10416, 13313)]

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