257954816

素因数分解:

$2^{10}\times 7^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 132

約数和(自身を含む): 617465268

約数和(自身を除く): 359510452

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 97, 98, 106, 112, 128, 194, 196, 212, 224, 256, 371, 388, 392, 424, 448, 512, 679, 742, 776, 784, 848, 896, 1024, 1358, 1484, 1552, 1568, 1696, 1792, 2597, 2716, 2968, 3104, 3136, 3392, 3584, 4753, 5141, 5194, 5432, 5936, 6208, 6272, 6784, 7168, 9506, 10282, 10388, 10864, 11872, 12416, 12544, 13568, 19012, 20564, 20776, 21728, 23744, 24832, 25088, 27136, 35987, 38024, 41128, 41552, 43456, 47488, 49664, 50176, 54272, 71974, 76048, 82256, 83104, 86912, 94976, 99328, 143948, 152096, 164512, 166208, 173824, 189952, 251909, 287896, 304192, 329024, 332416, 347648, 379904, 503818, 575792, 608384, 658048, 664832, 695296, 1007636, 1151584, 1216768, 1316096, 1329664, 2015272, 2303168, 2433536, 2632192, 2659328, 4030544, 4606336, 4867072, 5264384, 8061088, 9212672, 16122176, 18425344, 32244352, 36850688, 64488704, 128977408, 257954816]

約数ペア:

[(1, 257954816), (2, 128977408), (4, 64488704), (7, 36850688), (8, 32244352), (14, 18425344), (16, 16122176), (28, 9212672), (32, 8061088), (49, 5264384), (53, 4867072), (56, 4606336), (64, 4030544), (97, 2659328), (98, 2632192), (106, 2433536), (112, 2303168), (128, 2015272), (194, 1329664), (196, 1316096), (212, 1216768), (224, 1151584), (256, 1007636), (371, 695296), (388, 664832), (392, 658048), (424, 608384), (448, 575792), (512, 503818), (679, 379904), (742, 347648), (776, 332416), (784, 329024), (848, 304192), (896, 287896), (1024, 251909), (1358, 189952), (1484, 173824), (1552, 166208), (1568, 164512), (1696, 152096), (1792, 143948), (2597, 99328), (2716, 94976), (2968, 86912), (3104, 83104), (3136, 82256), (3392, 76048), (3584, 71974), (4753, 54272), (5141, 50176), (5194, 49664), (5432, 47488), (5936, 43456), (6208, 41552), (6272, 41128), (6784, 38024), (7168, 35987), (9506, 27136), (10282, 25088), (10388, 24832), (10864, 23744), (11872, 21728), (12416, 20776), (12544, 20564), (13568, 19012)]