About the Number

138991248

138991247 ← → 138991249

2進数表記:1000010010001101011010010000

漢数字表記:一億三千八百九十九万千二百四十八

素因数分解:

2 4 × 3 3 × 11 2 × 2659 1

素因数の和:2698
約数の個数: 120
約数和(自身を含む): 438687200
約数和(自身を除く): 299695952

約数列:
[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 121, 132, 144, 176, 198, 216, 242, 264, 297, 363, 396, 432, 484, 528, 594, 726, 792, 968, 1089, 1188, 1452, 1584, 1936, 2178, 2376, 2659, 2904, 3267, 4356, 4752, 5318, 5808, 6534, 7977, 8712, 10636, 13068, 15954, 17424, 21272, 23931, 26136, 29249, 31908, 42544, 47862, 52272, 58498, 63816, 71793, 87747, 95724, 116996, 127632, 143586, 175494, 191448, 233992, 263241, 287172, 321739, 350988, 382896, 467984, 526482, 574344, 643478, 701976, 789723, 965217, 1052964, 1148688, 1286956, 1403952, 1579446, 1930434, 2105928, 2573912, 2895651, 3158892, 3860868, 4211856, 5147824, 5791302, 6317784, 7721736, 8686953, 11582604, 12635568, 15443472, 17373906, 23165208, 34747812, 46330416, 69495624, 138991248]

約数ペア:
[(1, 138991248), (2, 69495624), (3, 46330416), (4, 34747812), (6, 23165208), (8, 17373906), (9, 15443472), (11, 12635568), (12, 11582604), (16, 8686953), (18, 7721736), (22, 6317784), (24, 5791302), (27, 5147824), (33, 4211856), (36, 3860868), (44, 3158892), (48, 2895651), (54, 2573912), (66, 2105928), (72, 1930434), (88, 1579446), (99, 1403952), (108, 1286956), (121, 1148688), (132, 1052964), (144, 965217), (176, 789723), (198, 701976), (216, 643478), (242, 574344), (264, 526482), (297, 467984), (363, 382896), (396, 350988), (432, 321739), (484, 287172), (528, 263241), (594, 233992), (726, 191448), (792, 175494), (968, 143586), (1089, 127632), (1188, 116996), (1452, 95724), (1584, 87747), (1936, 71793), (2178, 63816), (2376, 58498), (2659, 52272), (2904, 47862), (3267, 42544), (4356, 31908), (4752, 29249), (5318, 26136), (5808, 23931), (6534, 21272), (7977, 17424), (8712, 15954), (10636, 13068)]

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