131728128

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 406183680

約数和(自身を除く): 274455552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 107, 112, 128, 168, 192, 214, 224, 229, 256, 321, 336, 384, 428, 448, 458, 642, 672, 687, 749, 768, 856, 896, 916, 1284, 1344, 1374, 1498, 1603, 1712, 1792, 1832, 2247, 2568, 2688, 2748, 2996, 3206, 3424, 3664, 4494, 4809, 5136, 5376, 5496, 5992, 6412, 6848, 7328, 8988, 9618, 10272, 10992, 11984, 12824, 13696, 14656, 17976, 19236, 20544, 21984, 23968, 24503, 25648, 27392, 29312, 35952, 38472, 41088, 43968, 47936, 49006, 51296, 58624, 71904, 73509, 76944, 82176, 87936, 95872, 98012, 102592, 143808, 147018, 153888, 171521, 175872, 191744, 196024, 205184, 287616, 294036, 307776, 343042, 392048, 410368, 514563, 575232, 588072, 615552, 686084, 784096, 1029126, 1176144, 1231104, 1372168, 1568192, 2058252, 2352288, 2744336, 3136384, 4116504, 4704576, 5488672, 6272768, 8233008, 9409152, 10977344, 16466016, 18818304, 21954688, 32932032, 43909376, 65864064, 131728128]

約数ペア:

[(1, 131728128), (2, 65864064), (3, 43909376), (4, 32932032), (6, 21954688), (7, 18818304), (8, 16466016), (12, 10977344), (14, 9409152), (16, 8233008), (21, 6272768), (24, 5488672), (28, 4704576), (32, 4116504), (42, 3136384), (48, 2744336), (56, 2352288), (64, 2058252), (84, 1568192), (96, 1372168), (107, 1231104), (112, 1176144), (128, 1029126), (168, 784096), (192, 686084), (214, 615552), (224, 588072), (229, 575232), (256, 514563), (321, 410368), (336, 392048), (384, 343042), (428, 307776), (448, 294036), (458, 287616), (642, 205184), (672, 196024), (687, 191744), (749, 175872), (768, 171521), (856, 153888), (896, 147018), (916, 143808), (1284, 102592), (1344, 98012), (1374, 95872), (1498, 87936), (1603, 82176), (1712, 76944), (1792, 73509), (1832, 71904), (2247, 58624), (2568, 51296), (2688, 49006), (2748, 47936), (2996, 43968), (3206, 41088), (3424, 38472), (3664, 35952), (4494, 29312), (4809, 27392), (5136, 25648), (5376, 24503), (5496, 23968), (5992, 21984), (6412, 20544), (6848, 19236), (7328, 17976), (8988, 14656), (9618, 13696), (10272, 12824), (10992, 11984)]