128514456

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:598

約数の個数: 144

約数和(自身を含む): 411255000

約数和(自身を除く): 282740544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 73, 84, 98, 126, 146, 147, 168, 196, 219, 252, 292, 294, 392, 438, 441, 499, 504, 511, 584, 588, 657, 876, 882, 998, 1022, 1176, 1314, 1497, 1533, 1752, 1764, 1996, 2044, 2628, 2994, 3066, 3493, 3528, 3577, 3992, 4088, 4491, 4599, 5256, 5988, 6132, 6986, 7154, 8982, 9198, 10479, 10731, 11976, 12264, 13972, 14308, 17964, 18396, 20958, 21462, 24451, 27944, 28616, 31437, 32193, 35928, 36427, 36792, 41916, 42924, 48902, 62874, 64386, 72854, 73353, 83832, 85848, 97804, 109281, 125748, 128772, 145708, 146706, 195608, 218562, 220059, 251496, 254989, 257544, 291416, 293412, 327843, 437124, 440118, 509978, 586824, 655686, 764967, 874248, 880236, 1019956, 1311372, 1529934, 1760472, 1784923, 2039912, 2294901, 2622744, 3059868, 3569846, 4589802, 5354769, 6119736, 7139692, 9179604, 10709538, 14279384, 16064307, 18359208, 21419076, 32128614, 42838152, 64257228, 128514456]

約数ペア:

[(1, 128514456), (2, 64257228), (3, 42838152), (4, 32128614), (6, 21419076), (7, 18359208), (8, 16064307), (9, 14279384), (12, 10709538), (14, 9179604), (18, 7139692), (21, 6119736), (24, 5354769), (28, 4589802), (36, 3569846), (42, 3059868), (49, 2622744), (56, 2294901), (63, 2039912), (72, 1784923), (73, 1760472), (84, 1529934), (98, 1311372), (126, 1019956), (146, 880236), (147, 874248), (168, 764967), (196, 655686), (219, 586824), (252, 509978), (292, 440118), (294, 437124), (392, 327843), (438, 293412), (441, 291416), (499, 257544), (504, 254989), (511, 251496), (584, 220059), (588, 218562), (657, 195608), (876, 146706), (882, 145708), (998, 128772), (1022, 125748), (1176, 109281), (1314, 97804), (1497, 85848), (1533, 83832), (1752, 73353), (1764, 72854), (1996, 64386), (2044, 62874), (2628, 48902), (2994, 42924), (3066, 41916), (3493, 36792), (3528, 36427), (3577, 35928), (3992, 32193), (4088, 31437), (4491, 28616), (4599, 27944), (5256, 24451), (5988, 21462), (6132, 20958), (6986, 18396), (7154, 17964), (8982, 14308), (9198, 13972), (10479, 12264), (10731, 11976)]