28147504

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 71773184

約数和(自身を除く): 43625680

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 67, 77, 88, 112, 121, 124, 134, 154, 176, 217, 242, 248, 268, 308, 341, 434, 469, 484, 496, 536, 616, 682, 737, 847, 868, 938, 968, 1072, 1232, 1364, 1474, 1694, 1736, 1876, 1936, 2077, 2387, 2728, 2948, 3388, 3472, 3751, 3752, 4154, 4774, 5159, 5456, 5896, 6776, 7502, 7504, 8107, 8308, 9548, 10318, 11792, 13552, 14539, 15004, 16214, 16616, 19096, 20636, 22847, 26257, 29078, 30008, 32428, 33232, 38192, 41272, 45694, 52514, 56749, 58156, 60016, 64856, 82544, 91388, 105028, 113498, 116312, 129712, 159929, 182776, 210056, 226996, 232624, 251317, 319858, 365552, 420112, 453992, 502634, 639716, 907984, 1005268, 1279432, 1759219, 2010536, 2558864, 3518438, 4021072, 7036876, 14073752, 28147504]

約数ペア:

[(1, 28147504), (2, 14073752), (4, 7036876), (7, 4021072), (8, 3518438), (11, 2558864), (14, 2010536), (16, 1759219), (22, 1279432), (28, 1005268), (31, 907984), (44, 639716), (56, 502634), (62, 453992), (67, 420112), (77, 365552), (88, 319858), (112, 251317), (121, 232624), (124, 226996), (134, 210056), (154, 182776), (176, 159929), (217, 129712), (242, 116312), (248, 113498), (268, 105028), (308, 91388), (341, 82544), (434, 64856), (469, 60016), (484, 58156), (496, 56749), (536, 52514), (616, 45694), (682, 41272), (737, 38192), (847, 33232), (868, 32428), (938, 30008), (968, 29078), (1072, 26257), (1232, 22847), (1364, 20636), (1474, 19096), (1694, 16616), (1736, 16214), (1876, 15004), (1936, 14539), (2077, 13552), (2387, 11792), (2728, 10318), (2948, 9548), (3388, 8308), (3472, 8107), (3751, 7504), (3752, 7502), (4154, 6776), (4774, 5896), (5159, 5456)]