About the Number

31891272

31891271 ← → 31891273

2進数表記:1111001101001111101001000

漢数字表記:三千百八十九万千二百七十二

素因数分解:

2 3 × 3 1 × 7 1 × 19 1 × 97 1 × 103 1

素因数の和:235
約数の個数: 128
約数和(自身を含む): 97843200
約数和(自身を除く): 65951928

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 97, 103, 114, 133, 152, 168, 194, 206, 228, 266, 291, 309, 388, 399, 412, 456, 532, 582, 618, 679, 721, 776, 798, 824, 1064, 1164, 1236, 1358, 1442, 1596, 1843, 1957, 2037, 2163, 2328, 2472, 2716, 2884, 3192, 3686, 3914, 4074, 4326, 5432, 5529, 5768, 5871, 7372, 7828, 8148, 8652, 9991, 11058, 11742, 12901, 13699, 14744, 15656, 16296, 17304, 19982, 22116, 23484, 25802, 27398, 29973, 38703, 39964, 41097, 44232, 46968, 51604, 54796, 59946, 69937, 77406, 79928, 82194, 103208, 109592, 119892, 139874, 154812, 164388, 189829, 209811, 239784, 279748, 309624, 328776, 379658, 419622, 559496, 569487, 759316, 839244, 1138974, 1328803, 1518632, 1678488, 2277948, 2657606, 3986409, 4555896, 5315212, 7972818, 10630424, 15945636, 31891272]

約数ペア:
[(1, 31891272), (2, 15945636), (3, 10630424), (4, 7972818), (6, 5315212), (7, 4555896), (8, 3986409), (12, 2657606), (14, 2277948), (19, 1678488), (21, 1518632), (24, 1328803), (28, 1138974), (38, 839244), (42, 759316), (56, 569487), (57, 559496), (76, 419622), (84, 379658), (97, 328776), (103, 309624), (114, 279748), (133, 239784), (152, 209811), (168, 189829), (194, 164388), (206, 154812), (228, 139874), (266, 119892), (291, 109592), (309, 103208), (388, 82194), (399, 79928), (412, 77406), (456, 69937), (532, 59946), (582, 54796), (618, 51604), (679, 46968), (721, 44232), (776, 41097), (798, 39964), (824, 38703), (1064, 29973), (1164, 27398), (1236, 25802), (1358, 23484), (1442, 22116), (1596, 19982), (1843, 17304), (1957, 16296), (2037, 15656), (2163, 14744), (2328, 13699), (2472, 12901), (2716, 11742), (2884, 11058), (3192, 9991), (3686, 8652), (3914, 8148), (4074, 7828), (4326, 7372), (5432, 5871), (5529, 5768)]

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