28276864

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 74419200

約数和(自身を除く): 46142336

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 88, 112, 128, 133, 151, 152, 154, 176, 209, 224, 266, 302, 304, 308, 352, 418, 448, 532, 604, 608, 616, 704, 836, 896, 1057, 1064, 1208, 1216, 1232, 1408, 1463, 1661, 1672, 2114, 2128, 2416, 2432, 2464, 2869, 2926, 3322, 3344, 4228, 4256, 4832, 4928, 5738, 5852, 6644, 6688, 8456, 8512, 9664, 9856, 11476, 11627, 11704, 13288, 13376, 16912, 17024, 19328, 20083, 22952, 23254, 23408, 26576, 26752, 31559, 33824, 40166, 45904, 46508, 46816, 53152, 63118, 67648, 80332, 91808, 93016, 93632, 106304, 126236, 135296, 160664, 183616, 186032, 187264, 212608, 220913, 252472, 321328, 367232, 372064, 441826, 504944, 642656, 744128, 883652, 1009888, 1285312, 1488256, 1767304, 2019776, 2570624, 3534608, 4039552, 7069216, 14138432, 28276864]

約数ペア:

[(1, 28276864), (2, 14138432), (4, 7069216), (7, 4039552), (8, 3534608), (11, 2570624), (14, 2019776), (16, 1767304), (19, 1488256), (22, 1285312), (28, 1009888), (32, 883652), (38, 744128), (44, 642656), (56, 504944), (64, 441826), (76, 372064), (77, 367232), (88, 321328), (112, 252472), (128, 220913), (133, 212608), (151, 187264), (152, 186032), (154, 183616), (176, 160664), (209, 135296), (224, 126236), (266, 106304), (302, 93632), (304, 93016), (308, 91808), (352, 80332), (418, 67648), (448, 63118), (532, 53152), (604, 46816), (608, 46508), (616, 45904), (704, 40166), (836, 33824), (896, 31559), (1057, 26752), (1064, 26576), (1208, 23408), (1216, 23254), (1232, 22952), (1408, 20083), (1463, 19328), (1661, 17024), (1672, 16912), (2114, 13376), (2128, 13288), (2416, 11704), (2432, 11627), (2464, 11476), (2869, 9856), (2926, 9664), (3322, 8512), (3344, 8456), (4228, 6688), (4256, 6644), (4832, 5852), (4928, 5738)]