81919488

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 160

約数和(自身を含む): 263197440

約数和(自身を除く): 181277952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 256, 266, 304, 336, 384, 399, 401, 448, 456, 512, 532, 608, 672, 768, 798, 802, 896, 912, 1064, 1203, 1216, 1344, 1536, 1596, 1604, 1792, 1824, 2128, 2406, 2432, 2688, 2807, 3192, 3208, 3584, 3648, 4256, 4812, 4864, 5376, 5614, 6384, 6416, 7296, 7619, 8421, 8512, 9624, 9728, 10752, 11228, 12768, 12832, 14592, 15238, 16842, 17024, 19248, 22456, 22857, 25536, 25664, 29184, 30476, 33684, 34048, 38496, 44912, 45714, 51072, 51328, 53333, 60952, 67368, 68096, 76992, 89824, 91428, 102144, 102656, 106666, 121904, 134736, 153984, 159999, 179648, 182856, 204288, 205312, 213332, 243808, 269472, 307968, 319998, 359296, 365712, 426664, 487616, 538944, 615936, 639996, 718592, 731424, 853328, 975232, 1077888, 1279992, 1437184, 1462848, 1706656, 1950464, 2155776, 2559984, 2925696, 3413312, 3900928, 4311552, 5119968, 5851392, 6826624, 10239936, 11702784, 13653248, 20479872, 27306496, 40959744, 81919488]

約数ペア:

[(1, 81919488), (2, 40959744), (3, 27306496), (4, 20479872), (6, 13653248), (7, 11702784), (8, 10239936), (12, 6826624), (14, 5851392), (16, 5119968), (19, 4311552), (21, 3900928), (24, 3413312), (28, 2925696), (32, 2559984), (38, 2155776), (42, 1950464), (48, 1706656), (56, 1462848), (57, 1437184), (64, 1279992), (76, 1077888), (84, 975232), (96, 853328), (112, 731424), (114, 718592), (128, 639996), (133, 615936), (152, 538944), (168, 487616), (192, 426664), (224, 365712), (228, 359296), (256, 319998), (266, 307968), (304, 269472), (336, 243808), (384, 213332), (399, 205312), (401, 204288), (448, 182856), (456, 179648), (512, 159999), (532, 153984), (608, 134736), (672, 121904), (768, 106666), (798, 102656), (802, 102144), (896, 91428), (912, 89824), (1064, 76992), (1203, 68096), (1216, 67368), (1344, 60952), (1536, 53333), (1596, 51328), (1604, 51072), (1792, 45714), (1824, 44912), (2128, 38496), (2406, 34048), (2432, 33684), (2688, 30476), (2807, 29184), (3192, 25664), (3208, 25536), (3584, 22857), (3648, 22456), (4256, 19248), (4812, 17024), (4864, 16842), (5376, 15238), (5614, 14592), (6384, 12832), (6416, 12768), (7296, 11228), (7619, 10752), (8421, 9728), (8512, 9624)]