28780416

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 192

約数和(自身を含む): 98017920

約数和(自身を除く): 69237504

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, 64, 72, 83, 84, 86, 96, 112, 126, 128, 129, 144, 166, 168, 172, 192, 224, 249, 252, 258, 288, 301, 332, 336, 344, 384, 387, 448, 498, 504, 516, 576, 581, 602, 664, 672, 688, 747, 774, 896, 903, 996, 1008, 1032, 1152, 1162, 1204, 1328, 1344, 1376, 1494, 1548, 1743, 1806, 1992, 2016, 2064, 2324, 2408, 2656, 2688, 2709, 2752, 2988, 3096, 3486, 3569, 3612, 3984, 4032, 4128, 4648, 4816, 5229, 5312, 5418, 5504, 5976, 6192, 6972, 7138, 7224, 7968, 8064, 8256, 9296, 9632, 10458, 10624, 10707, 10836, 11952, 12384, 13944, 14276, 14448, 15936, 16512, 18592, 19264, 20916, 21414, 21672, 23904, 24768, 24983, 27888, 28552, 28896, 31872, 32121, 37184, 38528, 41832, 42828, 43344, 47808, 49536, 49966, 55776, 57104, 57792, 64242, 74368, 74949, 83664, 85656, 86688, 95616, 99932, 111552, 114208, 115584, 128484, 149898, 167328, 171312, 173376, 199864, 223104, 224847, 228416, 256968, 299796, 334656, 342624, 346752, 399728, 449694, 456832, 513936, 599592, 669312, 685248, 799456, 899388, 1027872, 1199184, 1370496, 1598912, 1798776, 2055744, 2398368, 3197824, 3597552, 4111488, 4796736, 7195104, 9593472, 14390208, 28780416]

約数ペア:

[(1, 28780416), (2, 14390208), (3, 9593472), (4, 7195104), (6, 4796736), (7, 4111488), (8, 3597552), (9, 3197824), (12, 2398368), (14, 2055744), (16, 1798776), (18, 1598912), (21, 1370496), (24, 1199184), (28, 1027872), (32, 899388), (36, 799456), (42, 685248), (43, 669312), (48, 599592), (56, 513936), (63, 456832), (64, 449694), (72, 399728), (83, 346752), (84, 342624), (86, 334656), (96, 299796), (112, 256968), (126, 228416), (128, 224847), (129, 223104), (144, 199864), (166, 173376), (168, 171312), (172, 167328), (192, 149898), (224, 128484), (249, 115584), (252, 114208), (258, 111552), (288, 99932), (301, 95616), (332, 86688), (336, 85656), (344, 83664), (384, 74949), (387, 74368), (448, 64242), (498, 57792), (504, 57104), (516, 55776), (576, 49966), (581, 49536), (602, 47808), (664, 43344), (672, 42828), (688, 41832), (747, 38528), (774, 37184), (896, 32121), (903, 31872), (996, 28896), (1008, 28552), (1032, 27888), (1152, 24983), (1162, 24768), (1204, 23904), (1328, 21672), (1344, 21414), (1376, 20916), (1494, 19264), (1548, 18592), (1743, 16512), (1806, 15936), (1992, 14448), (2016, 14276), (2064, 13944), (2324, 12384), (2408, 11952), (2656, 10836), (2688, 10707), (2709, 10624), (2752, 10458), (2988, 9632), (3096, 9296), (3486, 8256), (3569, 8064), (3612, 7968), (3984, 7224), (4032, 7138), (4128, 6972), (4648, 6192), (4816, 5976), (5229, 5504), (5312, 5418)]