259531008

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1052

約数の個数: 144

約数和(自身を含む): 778616832

約数和(自身を除く): 519085824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 88, 93, 96, 124, 128, 132, 176, 186, 192, 248, 256, 264, 341, 352, 372, 384, 496, 528, 682, 704, 744, 768, 991, 992, 1023, 1056, 1364, 1408, 1488, 1982, 1984, 2046, 2112, 2728, 2816, 2973, 2976, 3964, 3968, 4092, 4224, 5456, 5946, 5952, 7928, 7936, 8184, 8448, 10901, 10912, 11892, 11904, 15856, 16368, 21802, 21824, 23784, 23808, 30721, 31712, 32703, 32736, 43604, 43648, 47568, 61442, 63424, 65406, 65472, 87208, 87296, 92163, 95136, 122884, 126848, 130812, 130944, 174416, 184326, 190272, 245768, 253696, 261624, 261888, 337931, 348832, 368652, 380544, 491536, 523248, 675862, 697664, 737304, 761088, 983072, 1013793, 1046496, 1351724, 1395328, 1474608, 1966144, 2027586, 2092992, 2703448, 2790656, 2949216, 3932288, 4055172, 4185984, 5406896, 5898432, 7864576, 8110344, 8371968, 10813792, 11796864, 16220688, 21627584, 23593728, 32441376, 43255168, 64882752, 86510336, 129765504, 259531008]

約数ペア:

[(1, 259531008), (2, 129765504), (3, 86510336), (4, 64882752), (6, 43255168), (8, 32441376), (11, 23593728), (12, 21627584), (16, 16220688), (22, 11796864), (24, 10813792), (31, 8371968), (32, 8110344), (33, 7864576), (44, 5898432), (48, 5406896), (62, 4185984), (64, 4055172), (66, 3932288), (88, 2949216), (93, 2790656), (96, 2703448), (124, 2092992), (128, 2027586), (132, 1966144), (176, 1474608), (186, 1395328), (192, 1351724), (248, 1046496), (256, 1013793), (264, 983072), (341, 761088), (352, 737304), (372, 697664), (384, 675862), (496, 523248), (528, 491536), (682, 380544), (704, 368652), (744, 348832), (768, 337931), (991, 261888), (992, 261624), (1023, 253696), (1056, 245768), (1364, 190272), (1408, 184326), (1488, 174416), (1982, 130944), (1984, 130812), (2046, 126848), (2112, 122884), (2728, 95136), (2816, 92163), (2973, 87296), (2976, 87208), (3964, 65472), (3968, 65406), (4092, 63424), (4224, 61442), (5456, 47568), (5946, 43648), (5952, 43604), (7928, 32736), (7936, 32703), (8184, 31712), (8448, 30721), (10901, 23808), (10912, 23784), (11892, 21824), (11904, 21802), (15856, 16368)]