131875968

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:786

約数の個数: 128

約数和(自身を含む): 406563840

約数和(自身を除く): 274687872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 71, 84, 96, 112, 128, 142, 168, 192, 213, 224, 284, 336, 384, 426, 448, 497, 568, 672, 691, 852, 896, 994, 1136, 1344, 1382, 1491, 1704, 1988, 2073, 2272, 2688, 2764, 2982, 3408, 3976, 4146, 4544, 4837, 5528, 5964, 6816, 7952, 8292, 9088, 9674, 11056, 11928, 13632, 14511, 15904, 16584, 19348, 22112, 23856, 27264, 29022, 31808, 33168, 38696, 44224, 47712, 49061, 58044, 63616, 66336, 77392, 88448, 95424, 98122, 116088, 132672, 147183, 154784, 190848, 196244, 232176, 265344, 294366, 309568, 343427, 392488, 464352, 588732, 619136, 686854, 784976, 928704, 1030281, 1177464, 1373708, 1569952, 1857408, 2060562, 2354928, 2747416, 3139904, 4121124, 4709856, 5494832, 6279808, 8242248, 9419712, 10989664, 16484496, 18839424, 21979328, 32968992, 43958656, 65937984, 131875968]

約数ペア:

[(1, 131875968), (2, 65937984), (3, 43958656), (4, 32968992), (6, 21979328), (7, 18839424), (8, 16484496), (12, 10989664), (14, 9419712), (16, 8242248), (21, 6279808), (24, 5494832), (28, 4709856), (32, 4121124), (42, 3139904), (48, 2747416), (56, 2354928), (64, 2060562), (71, 1857408), (84, 1569952), (96, 1373708), (112, 1177464), (128, 1030281), (142, 928704), (168, 784976), (192, 686854), (213, 619136), (224, 588732), (284, 464352), (336, 392488), (384, 343427), (426, 309568), (448, 294366), (497, 265344), (568, 232176), (672, 196244), (691, 190848), (852, 154784), (896, 147183), (994, 132672), (1136, 116088), (1344, 98122), (1382, 95424), (1491, 88448), (1704, 77392), (1988, 66336), (2073, 63616), (2272, 58044), (2688, 49061), (2764, 47712), (2982, 44224), (3408, 38696), (3976, 33168), (4146, 31808), (4544, 29022), (4837, 27264), (5528, 23856), (5964, 22112), (6816, 19348), (7952, 16584), (8292, 15904), (9088, 14511), (9674, 13632), (11056, 11928)]