28421568

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 252

約数和(自身を含む): 101635560

約数和(自身を除く): 73213992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 49, 53, 56, 57, 63, 64, 72, 76, 84, 96, 98, 106, 112, 114, 126, 133, 144, 147, 152, 159, 168, 171, 192, 196, 212, 224, 228, 252, 266, 288, 294, 304, 318, 336, 342, 371, 392, 399, 424, 441, 448, 456, 477, 504, 532, 576, 588, 608, 636, 672, 684, 742, 784, 798, 848, 882, 912, 931, 954, 1007, 1008, 1064, 1113, 1176, 1197, 1216, 1272, 1344, 1368, 1484, 1568, 1596, 1696, 1764, 1824, 1862, 1908, 2014, 2016, 2128, 2226, 2352, 2394, 2544, 2597, 2736, 2793, 2968, 3021, 3136, 3192, 3339, 3392, 3528, 3648, 3724, 3816, 4028, 4032, 4256, 4452, 4704, 4788, 5088, 5194, 5472, 5586, 5936, 6042, 6384, 6678, 7049, 7056, 7448, 7632, 7791, 8056, 8379, 8512, 8904, 9063, 9408, 9576, 10176, 10388, 10944, 11172, 11872, 12084, 12768, 13356, 14098, 14112, 14896, 15264, 15582, 16112, 16758, 17808, 18126, 19152, 20776, 21147, 22344, 23373, 23744, 24168, 25536, 26712, 28196, 28224, 29792, 30528, 31164, 32224, 33516, 35616, 36252, 38304, 41552, 42294, 44688, 46746, 48336, 49343, 53424, 56392, 59584, 62328, 63441, 64448, 67032, 71232, 72504, 76608, 83104, 84588, 89376, 93492, 96672, 98686, 106848, 112784, 124656, 126882, 134064, 145008, 148029, 166208, 169176, 178752, 186984, 193344, 197372, 213696, 225568, 249312, 253764, 268128, 290016, 296058, 338352, 373968, 394744, 444087, 451136, 498624, 507528, 536256, 580032, 592116, 676704, 747936, 789488, 888174, 1015056, 1184232, 1353408, 1495872, 1578976, 1776348, 2030112, 2368464, 3157952, 3552696, 4060224, 4736928, 7105392, 9473856, 14210784, 28421568]

約数ペア:

[(1, 28421568), (2, 14210784), (3, 9473856), (4, 7105392), (6, 4736928), (7, 4060224), (8, 3552696), (9, 3157952), (12, 2368464), (14, 2030112), (16, 1776348), (18, 1578976), (19, 1495872), (21, 1353408), (24, 1184232), (28, 1015056), (32, 888174), (36, 789488), (38, 747936), (42, 676704), (48, 592116), (49, 580032), (53, 536256), (56, 507528), (57, 498624), (63, 451136), (64, 444087), (72, 394744), (76, 373968), (84, 338352), (96, 296058), (98, 290016), (106, 268128), (112, 253764), (114, 249312), (126, 225568), (133, 213696), (144, 197372), (147, 193344), (152, 186984), (159, 178752), (168, 169176), (171, 166208), (192, 148029), (196, 145008), (212, 134064), (224, 126882), (228, 124656), (252, 112784), (266, 106848), (288, 98686), (294, 96672), (304, 93492), (318, 89376), (336, 84588), (342, 83104), (371, 76608), (392, 72504), (399, 71232), (424, 67032), (441, 64448), (448, 63441), (456, 62328), (477, 59584), (504, 56392), (532, 53424), (576, 49343), (588, 48336), (608, 46746), (636, 44688), (672, 42294), (684, 41552), (742, 38304), (784, 36252), (798, 35616), (848, 33516), (882, 32224), (912, 31164), (931, 30528), (954, 29792), (1007, 28224), (1008, 28196), (1064, 26712), (1113, 25536), (1176, 24168), (1197, 23744), (1216, 23373), (1272, 22344), (1344, 21147), (1368, 20776), (1484, 19152), (1568, 18126), (1596, 17808), (1696, 16758), (1764, 16112), (1824, 15582), (1862, 15264), (1908, 14896), (2014, 14112), (2016, 14098), (2128, 13356), (2226, 12768), (2352, 12084), (2394, 11872), (2544, 11172), (2597, 10944), (2736, 10388), (2793, 10176), (2968, 9576), (3021, 9408), (3136, 9063), (3192, 8904), (3339, 8512), (3392, 8379), (3528, 8056), (3648, 7791), (3724, 7632), (3816, 7448), (4028, 7056), (4032, 7049), (4256, 6678), (4452, 6384), (4704, 6042), (4788, 5936), (5088, 5586), (5194, 5472)]