28956928

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 78293376

約数和(自身を除く): 49336448

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 113, 128, 143, 154, 176, 182, 208, 224, 226, 256, 286, 308, 352, 364, 416, 448, 452, 572, 616, 704, 728, 791, 832, 896, 904, 1001, 1144, 1232, 1243, 1408, 1456, 1469, 1582, 1664, 1792, 1808, 2002, 2288, 2464, 2486, 2816, 2912, 2938, 3164, 3328, 3616, 4004, 4576, 4928, 4972, 5824, 5876, 6328, 7232, 8008, 8701, 9152, 9856, 9944, 10283, 11648, 11752, 12656, 14464, 16016, 16159, 17402, 18304, 19712, 19888, 20566, 23296, 23504, 25312, 28928, 32032, 32318, 34804, 36608, 39776, 41132, 47008, 50624, 64064, 64636, 69608, 79552, 82264, 94016, 101248, 113113, 128128, 129272, 139216, 159104, 164528, 188032, 202496, 226226, 256256, 258544, 278432, 318208, 329056, 376064, 452452, 517088, 556864, 658112, 904904, 1034176, 1113728, 1316224, 1809808, 2068352, 2227456, 2632448, 3619616, 4136704, 7239232, 14478464, 28956928]

約数ペア:

[(1, 28956928), (2, 14478464), (4, 7239232), (7, 4136704), (8, 3619616), (11, 2632448), (13, 2227456), (14, 2068352), (16, 1809808), (22, 1316224), (26, 1113728), (28, 1034176), (32, 904904), (44, 658112), (52, 556864), (56, 517088), (64, 452452), (77, 376064), (88, 329056), (91, 318208), (104, 278432), (112, 258544), (113, 256256), (128, 226226), (143, 202496), (154, 188032), (176, 164528), (182, 159104), (208, 139216), (224, 129272), (226, 128128), (256, 113113), (286, 101248), (308, 94016), (352, 82264), (364, 79552), (416, 69608), (448, 64636), (452, 64064), (572, 50624), (616, 47008), (704, 41132), (728, 39776), (791, 36608), (832, 34804), (896, 32318), (904, 32032), (1001, 28928), (1144, 25312), (1232, 23504), (1243, 23296), (1408, 20566), (1456, 19888), (1469, 19712), (1582, 18304), (1664, 17402), (1792, 16159), (1808, 16016), (2002, 14464), (2288, 12656), (2464, 11752), (2486, 11648), (2816, 10283), (2912, 9944), (2938, 9856), (3164, 9152), (3328, 8701), (3616, 8008), (4004, 7232), (4576, 6328), (4928, 5876), (4972, 5824)]