261145984

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 589484520

約数和(自身を除く): 328338536

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 193, 248, 341, 352, 386, 496, 682, 704, 772, 961, 992, 1364, 1408, 1544, 1922, 1984, 2123, 2728, 3088, 3844, 3968, 4246, 5456, 5983, 6176, 7688, 8492, 10571, 10912, 11966, 12352, 15376, 16984, 21142, 21824, 23932, 24704, 30752, 33968, 42284, 43648, 47864, 61504, 65813, 67936, 84568, 95728, 123008, 131626, 135872, 169136, 185473, 191456, 263252, 271744, 338272, 370946, 382912, 526504, 676544, 741892, 765824, 1053008, 1353088, 1483784, 2040203, 2106016, 2967568, 4080406, 4212032, 5935136, 8160812, 8424064, 11870272, 16321624, 23740544, 32643248, 65286496, 130572992, 261145984]

約数ペア:

[(1, 261145984), (2, 130572992), (4, 65286496), (8, 32643248), (11, 23740544), (16, 16321624), (22, 11870272), (31, 8424064), (32, 8160812), (44, 5935136), (62, 4212032), (64, 4080406), (88, 2967568), (124, 2106016), (128, 2040203), (176, 1483784), (193, 1353088), (248, 1053008), (341, 765824), (352, 741892), (386, 676544), (496, 526504), (682, 382912), (704, 370946), (772, 338272), (961, 271744), (992, 263252), (1364, 191456), (1408, 185473), (1544, 169136), (1922, 135872), (1984, 131626), (2123, 123008), (2728, 95728), (3088, 84568), (3844, 67936), (3968, 65813), (4246, 61504), (5456, 47864), (5983, 43648), (6176, 42284), (7688, 33968), (8492, 30752), (10571, 24704), (10912, 23932), (11966, 21824), (12352, 21142), (15376, 16984)]