208991328

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:589

約数の個数: 192

約数和(自身を含む): 690923520

約数和(自身を除く): 481932192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 47, 48, 52, 56, 78, 84, 91, 94, 96, 104, 112, 141, 156, 168, 182, 188, 208, 224, 273, 282, 312, 329, 336, 364, 376, 416, 509, 546, 564, 611, 624, 658, 672, 728, 752, 987, 1018, 1092, 1128, 1222, 1248, 1316, 1456, 1504, 1527, 1833, 1974, 2036, 2184, 2256, 2444, 2632, 2912, 3054, 3563, 3666, 3948, 4072, 4277, 4368, 4512, 4888, 5264, 6108, 6617, 7126, 7332, 7896, 8144, 8554, 8736, 9776, 10528, 10689, 12216, 12831, 13234, 14252, 14664, 15792, 16288, 17108, 19552, 19851, 21378, 23923, 24432, 25662, 26468, 28504, 29328, 31584, 34216, 39702, 42756, 46319, 47846, 48864, 51324, 52936, 57008, 58656, 68432, 71769, 79404, 85512, 92638, 95692, 102648, 105872, 114016, 136864, 138957, 143538, 158808, 167461, 171024, 185276, 191384, 205296, 211744, 277914, 287076, 310999, 317616, 334922, 342048, 370552, 382768, 410592, 502383, 555828, 574152, 621998, 635232, 669844, 741104, 765536, 932997, 1004766, 1111656, 1148304, 1243996, 1339688, 1482208, 1865994, 2009532, 2176993, 2223312, 2296608, 2487992, 2679376, 3731988, 4019064, 4353986, 4446624, 4975984, 5358752, 6530979, 7463976, 8038128, 8707972, 9951968, 13061958, 14927952, 16076256, 17415944, 26123916, 29855904, 34831888, 52247832, 69663776, 104495664, 208991328]

約数ペア:

[(1, 208991328), (2, 104495664), (3, 69663776), (4, 52247832), (6, 34831888), (7, 29855904), (8, 26123916), (12, 17415944), (13, 16076256), (14, 14927952), (16, 13061958), (21, 9951968), (24, 8707972), (26, 8038128), (28, 7463976), (32, 6530979), (39, 5358752), (42, 4975984), (47, 4446624), (48, 4353986), (52, 4019064), (56, 3731988), (78, 2679376), (84, 2487992), (91, 2296608), (94, 2223312), (96, 2176993), (104, 2009532), (112, 1865994), (141, 1482208), (156, 1339688), (168, 1243996), (182, 1148304), (188, 1111656), (208, 1004766), (224, 932997), (273, 765536), (282, 741104), (312, 669844), (329, 635232), (336, 621998), (364, 574152), (376, 555828), (416, 502383), (509, 410592), (546, 382768), (564, 370552), (611, 342048), (624, 334922), (658, 317616), (672, 310999), (728, 287076), (752, 277914), (987, 211744), (1018, 205296), (1092, 191384), (1128, 185276), (1222, 171024), (1248, 167461), (1316, 158808), (1456, 143538), (1504, 138957), (1527, 136864), (1833, 114016), (1974, 105872), (2036, 102648), (2184, 95692), (2256, 92638), (2444, 85512), (2632, 79404), (2912, 71769), (3054, 68432), (3563, 58656), (3666, 57008), (3948, 52936), (4072, 51324), (4277, 48864), (4368, 47846), (4512, 46319), (4888, 42756), (5264, 39702), (6108, 34216), (6617, 31584), (7126, 29328), (7332, 28504), (7896, 26468), (8144, 25662), (8554, 24432), (8736, 23923), (9776, 21378), (10528, 19851), (10689, 19552), (12216, 17108), (12831, 16288), (13234, 15792), (14252, 14664)]