279757312

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 80

約数和(自身を含む): 582275232

約数和(自身を除く): 302517920

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 97, 128, 131, 172, 194, 256, 262, 344, 388, 512, 524, 688, 776, 1048, 1376, 1552, 2096, 2752, 3104, 4171, 4192, 5504, 5633, 6208, 8342, 8384, 11008, 11266, 12416, 12707, 16684, 16768, 22016, 22532, 24832, 25414, 33368, 33536, 45064, 49664, 50828, 66736, 67072, 90128, 101656, 133472, 180256, 203312, 266944, 360512, 406624, 533888, 546401, 721024, 813248, 1067776, 1092802, 1442048, 1626496, 2135552, 2185604, 2884096, 3252992, 4371208, 6505984, 8742416, 17484832, 34969664, 69939328, 139878656, 279757312]

約数ペア:

[(1, 279757312), (2, 139878656), (4, 69939328), (8, 34969664), (16, 17484832), (32, 8742416), (43, 6505984), (64, 4371208), (86, 3252992), (97, 2884096), (128, 2185604), (131, 2135552), (172, 1626496), (194, 1442048), (256, 1092802), (262, 1067776), (344, 813248), (388, 721024), (512, 546401), (524, 533888), (688, 406624), (776, 360512), (1048, 266944), (1376, 203312), (1552, 180256), (2096, 133472), (2752, 101656), (3104, 90128), (4171, 67072), (4192, 66736), (5504, 50828), (5633, 49664), (6208, 45064), (8342, 33536), (8384, 33368), (11008, 25414), (11266, 24832), (12416, 22532), (12707, 22016), (16684, 16768)]