28395136

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 73244160

約数和(自身を除く): 44849024

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 56, 64, 67, 77, 86, 88, 112, 128, 134, 154, 172, 176, 224, 268, 301, 308, 344, 352, 448, 469, 473, 536, 602, 616, 688, 704, 737, 896, 938, 946, 1072, 1204, 1232, 1376, 1408, 1474, 1876, 1892, 2144, 2408, 2464, 2752, 2881, 2948, 3311, 3752, 3784, 4288, 4816, 4928, 5159, 5504, 5762, 5896, 6622, 7504, 7568, 8576, 9632, 9856, 10318, 11524, 11792, 13244, 15008, 15136, 19264, 20167, 20636, 23048, 23584, 26488, 30016, 30272, 31691, 38528, 40334, 41272, 46096, 47168, 52976, 60032, 60544, 63382, 80668, 82544, 92192, 94336, 105952, 126764, 161336, 165088, 184384, 211904, 221837, 253528, 322672, 330176, 368768, 423808, 443674, 507056, 645344, 660352, 887348, 1014112, 1290688, 1774696, 2028224, 2581376, 3549392, 4056448, 7098784, 14197568, 28395136]

約数ペア:

[(1, 28395136), (2, 14197568), (4, 7098784), (7, 4056448), (8, 3549392), (11, 2581376), (14, 2028224), (16, 1774696), (22, 1290688), (28, 1014112), (32, 887348), (43, 660352), (44, 645344), (56, 507056), (64, 443674), (67, 423808), (77, 368768), (86, 330176), (88, 322672), (112, 253528), (128, 221837), (134, 211904), (154, 184384), (172, 165088), (176, 161336), (224, 126764), (268, 105952), (301, 94336), (308, 92192), (344, 82544), (352, 80668), (448, 63382), (469, 60544), (473, 60032), (536, 52976), (602, 47168), (616, 46096), (688, 41272), (704, 40334), (737, 38528), (896, 31691), (938, 30272), (946, 30016), (1072, 26488), (1204, 23584), (1232, 23048), (1376, 20636), (1408, 20167), (1474, 19264), (1876, 15136), (1892, 15008), (2144, 13244), (2408, 11792), (2464, 11524), (2752, 10318), (2881, 9856), (2948, 9632), (3311, 8576), (3752, 7568), (3784, 7504), (4288, 6622), (4816, 5896), (4928, 5762), (5159, 5504)]