388294816

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:523

約数の個数: 144

約数和(自身を含む): 982152864

約数和(自身を除く): 593858048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 49, 52, 56, 86, 91, 98, 104, 112, 172, 182, 196, 208, 224, 301, 344, 364, 392, 416, 443, 559, 602, 637, 688, 728, 784, 886, 1118, 1204, 1274, 1376, 1456, 1568, 1772, 2107, 2236, 2408, 2548, 2912, 3101, 3544, 3913, 4214, 4472, 4816, 5096, 5759, 6202, 7088, 7826, 8428, 8944, 9632, 10192, 11518, 12404, 14176, 15652, 16856, 17888, 19049, 20384, 21707, 23036, 24808, 27391, 31304, 33712, 38098, 40313, 43414, 46072, 49616, 54782, 62608, 67424, 76196, 80626, 86828, 92144, 99232, 109564, 125216, 133343, 152392, 161252, 173656, 184288, 219128, 247637, 266686, 282191, 304784, 322504, 347312, 438256, 495274, 533372, 564382, 609568, 645008, 694624, 876512, 933401, 990548, 1066744, 1128764, 1290016, 1733459, 1866802, 1981096, 2133488, 2257528, 3466918, 3733604, 3962192, 4266976, 4515056, 6933836, 7467208, 7924384, 9030112, 12134213, 13867672, 14934416, 24268426, 27735344, 29868832, 48536852, 55470688, 97073704, 194147408, 388294816]

約数ペア:

[(1, 388294816), (2, 194147408), (4, 97073704), (7, 55470688), (8, 48536852), (13, 29868832), (14, 27735344), (16, 24268426), (26, 14934416), (28, 13867672), (32, 12134213), (43, 9030112), (49, 7924384), (52, 7467208), (56, 6933836), (86, 4515056), (91, 4266976), (98, 3962192), (104, 3733604), (112, 3466918), (172, 2257528), (182, 2133488), (196, 1981096), (208, 1866802), (224, 1733459), (301, 1290016), (344, 1128764), (364, 1066744), (392, 990548), (416, 933401), (443, 876512), (559, 694624), (602, 645008), (637, 609568), (688, 564382), (728, 533372), (784, 495274), (886, 438256), (1118, 347312), (1204, 322504), (1274, 304784), (1376, 282191), (1456, 266686), (1568, 247637), (1772, 219128), (2107, 184288), (2236, 173656), (2408, 161252), (2548, 152392), (2912, 133343), (3101, 125216), (3544, 109564), (3913, 99232), (4214, 92144), (4472, 86828), (4816, 80626), (5096, 76196), (5759, 67424), (6202, 62608), (7088, 54782), (7826, 49616), (8428, 46072), (8944, 43414), (9632, 40313), (10192, 38098), (11518, 33712), (12404, 31304), (14176, 27391), (15652, 24808), (16856, 23036), (17888, 21707), (19049, 20384)]