28871808

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:514

約数の個数: 128

約数和(自身を含む): 91653120

約数和(自身を除く): 62781312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 128, 138, 161, 168, 184, 192, 224, 276, 322, 336, 368, 384, 448, 467, 483, 552, 644, 672, 736, 896, 934, 966, 1104, 1288, 1344, 1401, 1472, 1868, 1932, 2208, 2576, 2688, 2802, 2944, 3269, 3736, 3864, 4416, 5152, 5604, 6538, 7472, 7728, 8832, 9807, 10304, 10741, 11208, 13076, 14944, 15456, 19614, 20608, 21482, 22416, 26152, 29888, 30912, 32223, 39228, 42964, 44832, 52304, 59776, 61824, 64446, 75187, 78456, 85928, 89664, 104608, 128892, 150374, 156912, 171856, 179328, 209216, 225561, 257784, 300748, 313824, 343712, 418432, 451122, 515568, 601496, 627648, 687424, 902244, 1031136, 1202992, 1255296, 1374848, 1804488, 2062272, 2405984, 3608976, 4124544, 4811968, 7217952, 9623936, 14435904, 28871808]

約数ペア:

[(1, 28871808), (2, 14435904), (3, 9623936), (4, 7217952), (6, 4811968), (7, 4124544), (8, 3608976), (12, 2405984), (14, 2062272), (16, 1804488), (21, 1374848), (23, 1255296), (24, 1202992), (28, 1031136), (32, 902244), (42, 687424), (46, 627648), (48, 601496), (56, 515568), (64, 451122), (69, 418432), (84, 343712), (92, 313824), (96, 300748), (112, 257784), (128, 225561), (138, 209216), (161, 179328), (168, 171856), (184, 156912), (192, 150374), (224, 128892), (276, 104608), (322, 89664), (336, 85928), (368, 78456), (384, 75187), (448, 64446), (467, 61824), (483, 59776), (552, 52304), (644, 44832), (672, 42964), (736, 39228), (896, 32223), (934, 30912), (966, 29888), (1104, 26152), (1288, 22416), (1344, 21482), (1401, 20608), (1472, 19614), (1868, 15456), (1932, 14944), (2208, 13076), (2576, 11208), (2688, 10741), (2802, 10304), (2944, 9807), (3269, 8832), (3736, 7728), (3864, 7472), (4416, 6538), (5152, 5604)]