278639872

素因数分解:

$2^8\times 7^2\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:356

約数の個数: 108

約数和(自身を含む): 656522580

約数和(自身を除く): 377882708

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 97, 98, 112, 128, 194, 196, 224, 229, 256, 388, 392, 448, 458, 679, 776, 784, 896, 916, 1358, 1552, 1568, 1603, 1792, 1832, 2716, 3104, 3136, 3206, 3664, 4753, 5432, 6208, 6272, 6412, 7328, 9506, 10864, 11221, 12416, 12544, 12824, 14656, 19012, 21728, 22213, 22442, 24832, 25648, 29312, 38024, 43456, 44426, 44884, 51296, 58624, 76048, 86912, 88852, 89768, 102592, 152096, 155491, 173824, 177704, 179536, 205184, 304192, 310982, 355408, 359072, 410368, 608384, 621964, 710816, 718144, 1088437, 1216768, 1243928, 1421632, 1436288, 2176874, 2487856, 2843264, 2872576, 4353748, 4975712, 5686528, 8707496, 9951424, 17414992, 19902848, 34829984, 39805696, 69659968, 139319936, 278639872]

約数ペア:

[(1, 278639872), (2, 139319936), (4, 69659968), (7, 39805696), (8, 34829984), (14, 19902848), (16, 17414992), (28, 9951424), (32, 8707496), (49, 5686528), (56, 4975712), (64, 4353748), (97, 2872576), (98, 2843264), (112, 2487856), (128, 2176874), (194, 1436288), (196, 1421632), (224, 1243928), (229, 1216768), (256, 1088437), (388, 718144), (392, 710816), (448, 621964), (458, 608384), (679, 410368), (776, 359072), (784, 355408), (896, 310982), (916, 304192), (1358, 205184), (1552, 179536), (1568, 177704), (1603, 173824), (1792, 155491), (1832, 152096), (2716, 102592), (3104, 89768), (3136, 88852), (3206, 86912), (3664, 76048), (4753, 58624), (5432, 51296), (6208, 44884), (6272, 44426), (6412, 43456), (7328, 38024), (9506, 29312), (10864, 25648), (11221, 24832), (12416, 22442), (12544, 22213), (12824, 21728), (14656, 19012)]