131721184

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:768

約数の個数: 96

約数和(自身を含む): 318076416

約数和(自身を除く): 186355232

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 37, 46, 56, 74, 92, 112, 148, 161, 184, 224, 259, 296, 322, 368, 518, 592, 644, 691, 736, 851, 1036, 1184, 1288, 1382, 1702, 2072, 2576, 2764, 3404, 4144, 4837, 5152, 5528, 5957, 6808, 8288, 9674, 11056, 11914, 13616, 15893, 19348, 22112, 23828, 25567, 27232, 31786, 38696, 47656, 51134, 63572, 77392, 95312, 102268, 111251, 127144, 154784, 178969, 190624, 204536, 222502, 254288, 357938, 409072, 445004, 508576, 588041, 715876, 818144, 890008, 1176082, 1431752, 1780016, 2352164, 2863504, 3560032, 4116287, 4704328, 5727008, 8232574, 9408656, 16465148, 18817312, 32930296, 65860592, 131721184]

約数ペア:

[(1, 131721184), (2, 65860592), (4, 32930296), (7, 18817312), (8, 16465148), (14, 9408656), (16, 8232574), (23, 5727008), (28, 4704328), (32, 4116287), (37, 3560032), (46, 2863504), (56, 2352164), (74, 1780016), (92, 1431752), (112, 1176082), (148, 890008), (161, 818144), (184, 715876), (224, 588041), (259, 508576), (296, 445004), (322, 409072), (368, 357938), (518, 254288), (592, 222502), (644, 204536), (691, 190624), (736, 178969), (851, 154784), (1036, 127144), (1184, 111251), (1288, 102268), (1382, 95312), (1702, 77392), (2072, 63572), (2576, 51134), (2764, 47656), (3404, 38696), (4144, 31786), (4837, 27232), (5152, 25567), (5528, 23828), (5957, 22112), (6808, 19348), (8288, 15893), (9674, 13616), (11056, 11914)]