28693728

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 144

約数和(自身を含む): 95711616

約数和(自身を除く): 67017888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 43, 48, 56, 63, 72, 84, 86, 96, 112, 126, 129, 144, 168, 172, 224, 252, 258, 288, 301, 331, 336, 344, 387, 504, 516, 602, 662, 672, 688, 774, 903, 993, 1008, 1032, 1204, 1324, 1376, 1548, 1806, 1986, 2016, 2064, 2317, 2408, 2648, 2709, 2979, 3096, 3612, 3972, 4128, 4634, 4816, 5296, 5418, 5958, 6192, 6951, 7224, 7944, 9268, 9632, 10592, 10836, 11916, 12384, 13902, 14233, 14448, 15888, 18536, 20853, 21672, 23832, 27804, 28466, 28896, 31776, 37072, 41706, 42699, 43344, 47664, 55608, 56932, 74144, 83412, 85398, 86688, 95328, 99631, 111216, 113864, 128097, 166824, 170796, 199262, 222432, 227728, 256194, 298893, 333648, 341592, 398524, 455456, 512388, 597786, 667296, 683184, 797048, 896679, 1024776, 1195572, 1366368, 1594096, 1793358, 2049552, 2391144, 3188192, 3586716, 4099104, 4782288, 7173432, 9564576, 14346864, 28693728]

約数ペア:

[(1, 28693728), (2, 14346864), (3, 9564576), (4, 7173432), (6, 4782288), (7, 4099104), (8, 3586716), (9, 3188192), (12, 2391144), (14, 2049552), (16, 1793358), (18, 1594096), (21, 1366368), (24, 1195572), (28, 1024776), (32, 896679), (36, 797048), (42, 683184), (43, 667296), (48, 597786), (56, 512388), (63, 455456), (72, 398524), (84, 341592), (86, 333648), (96, 298893), (112, 256194), (126, 227728), (129, 222432), (144, 199262), (168, 170796), (172, 166824), (224, 128097), (252, 113864), (258, 111216), (288, 99631), (301, 95328), (331, 86688), (336, 85398), (344, 83412), (387, 74144), (504, 56932), (516, 55608), (602, 47664), (662, 43344), (672, 42699), (688, 41706), (774, 37072), (903, 31776), (993, 28896), (1008, 28466), (1032, 27804), (1204, 23832), (1324, 21672), (1376, 20853), (1548, 18536), (1806, 15888), (1986, 14448), (2016, 14233), (2064, 13902), (2317, 12384), (2408, 11916), (2648, 10836), (2709, 10592), (2979, 9632), (3096, 9268), (3612, 7944), (3972, 7224), (4128, 6951), (4634, 6192), (4816, 5958), (5296, 5418)]