221451776

素因数分解:

$2^9\times 7^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 561422400

約数和(自身を除く): 339970624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 97, 98, 104, 112, 128, 182, 194, 196, 208, 224, 256, 343, 364, 388, 392, 416, 448, 512, 637, 679, 686, 728, 776, 784, 832, 896, 1261, 1274, 1358, 1372, 1456, 1552, 1568, 1664, 1792, 2522, 2548, 2716, 2744, 2912, 3104, 3136, 3328, 3584, 4459, 4753, 5044, 5096, 5432, 5488, 5824, 6208, 6272, 6656, 8827, 8918, 9506, 10088, 10192, 10864, 10976, 11648, 12416, 12544, 17654, 17836, 19012, 20176, 20384, 21728, 21952, 23296, 24832, 25088, 33271, 35308, 35672, 38024, 40352, 40768, 43456, 43904, 46592, 49664, 61789, 66542, 70616, 71344, 76048, 80704, 81536, 86912, 87808, 123578, 133084, 141232, 142688, 152096, 161408, 163072, 173824, 175616, 247156, 266168, 282464, 285376, 304192, 322816, 326144, 347648, 432523, 494312, 532336, 564928, 570752, 608384, 645632, 865046, 988624, 1064672, 1129856, 1141504, 1216768, 1730092, 1977248, 2129344, 2259712, 2283008, 2433536, 3460184, 3954496, 4258688, 4519424, 6920368, 7908992, 8517376, 13840736, 15817984, 17034752, 27681472, 31635968, 55362944, 110725888, 221451776]

約数ペア:

[(1, 221451776), (2, 110725888), (4, 55362944), (7, 31635968), (8, 27681472), (13, 17034752), (14, 15817984), (16, 13840736), (26, 8517376), (28, 7908992), (32, 6920368), (49, 4519424), (52, 4258688), (56, 3954496), (64, 3460184), (91, 2433536), (97, 2283008), (98, 2259712), (104, 2129344), (112, 1977248), (128, 1730092), (182, 1216768), (194, 1141504), (196, 1129856), (208, 1064672), (224, 988624), (256, 865046), (343, 645632), (364, 608384), (388, 570752), (392, 564928), (416, 532336), (448, 494312), (512, 432523), (637, 347648), (679, 326144), (686, 322816), (728, 304192), (776, 285376), (784, 282464), (832, 266168), (896, 247156), (1261, 175616), (1274, 173824), (1358, 163072), (1372, 161408), (1456, 152096), (1552, 142688), (1568, 141232), (1664, 133084), (1792, 123578), (2522, 87808), (2548, 86912), (2716, 81536), (2744, 80704), (2912, 76048), (3104, 71344), (3136, 70616), (3328, 66542), (3584, 61789), (4459, 49664), (4753, 46592), (5044, 43904), (5096, 43456), (5432, 40768), (5488, 40352), (5824, 38024), (6208, 35672), (6272, 35308), (6656, 33271), (8827, 25088), (8918, 24832), (9506, 23296), (10088, 21952), (10192, 21728), (10864, 20384), (10976, 20176), (11648, 19012), (12416, 17836), (12544, 17654)]