278406688

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:794

約数の個数: 96

約数和(自身を含む): 670166784

約数和(自身を除く): 391760096

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 113, 119, 136, 224, 226, 238, 272, 452, 476, 544, 647, 791, 904, 952, 1294, 1582, 1808, 1904, 1921, 2588, 3164, 3616, 3808, 3842, 4529, 5176, 6328, 7684, 9058, 10352, 10999, 12656, 13447, 15368, 18116, 20704, 21998, 25312, 26894, 30736, 36232, 43996, 53788, 61472, 72464, 73111, 76993, 87992, 107576, 144928, 146222, 153986, 175984, 215152, 292444, 307972, 351968, 430304, 511777, 584888, 615944, 1023554, 1169776, 1231888, 1242887, 2047108, 2339552, 2463776, 2485774, 4094216, 4971548, 8188432, 8700209, 9943096, 16376864, 17400418, 19886192, 34800836, 39772384, 69601672, 139203344, 278406688]

約数ペア:

[(1, 278406688), (2, 139203344), (4, 69601672), (7, 39772384), (8, 34800836), (14, 19886192), (16, 17400418), (17, 16376864), (28, 9943096), (32, 8700209), (34, 8188432), (56, 4971548), (68, 4094216), (112, 2485774), (113, 2463776), (119, 2339552), (136, 2047108), (224, 1242887), (226, 1231888), (238, 1169776), (272, 1023554), (452, 615944), (476, 584888), (544, 511777), (647, 430304), (791, 351968), (904, 307972), (952, 292444), (1294, 215152), (1582, 175984), (1808, 153986), (1904, 146222), (1921, 144928), (2588, 107576), (3164, 87992), (3616, 76993), (3808, 73111), (3842, 72464), (4529, 61472), (5176, 53788), (6328, 43996), (7684, 36232), (9058, 30736), (10352, 26894), (10999, 25312), (12656, 21998), (13447, 20704), (15368, 18116)]