28754208

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:879

約数の個数: 144

約数和(自身を含む): 99066240

約数和(自身を除く): 70312032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 96, 102, 112, 119, 126, 136, 144, 153, 168, 204, 224, 238, 252, 272, 288, 306, 336, 357, 408, 476, 504, 544, 612, 672, 714, 816, 839, 952, 1008, 1071, 1224, 1428, 1632, 1678, 1904, 2016, 2142, 2448, 2517, 2856, 3356, 3808, 4284, 4896, 5034, 5712, 5873, 6712, 7551, 8568, 10068, 11424, 11746, 13424, 14263, 15102, 17136, 17619, 20136, 23492, 26848, 28526, 30204, 34272, 35238, 40272, 42789, 46984, 52857, 57052, 60408, 70476, 80544, 85578, 93968, 99841, 105714, 114104, 120816, 128367, 140952, 171156, 187936, 199682, 211428, 228208, 241632, 256734, 281904, 299523, 342312, 399364, 422856, 456416, 513468, 563808, 599046, 684624, 798728, 845712, 898569, 1026936, 1198092, 1369248, 1597456, 1691424, 1797138, 2053872, 2396184, 3194912, 3594276, 4107744, 4792368, 7188552, 9584736, 14377104, 28754208]

約数ペア:

[(1, 28754208), (2, 14377104), (3, 9584736), (4, 7188552), (6, 4792368), (7, 4107744), (8, 3594276), (9, 3194912), (12, 2396184), (14, 2053872), (16, 1797138), (17, 1691424), (18, 1597456), (21, 1369248), (24, 1198092), (28, 1026936), (32, 898569), (34, 845712), (36, 798728), (42, 684624), (48, 599046), (51, 563808), (56, 513468), (63, 456416), (68, 422856), (72, 399364), (84, 342312), (96, 299523), (102, 281904), (112, 256734), (119, 241632), (126, 228208), (136, 211428), (144, 199682), (153, 187936), (168, 171156), (204, 140952), (224, 128367), (238, 120816), (252, 114104), (272, 105714), (288, 99841), (306, 93968), (336, 85578), (357, 80544), (408, 70476), (476, 60408), (504, 57052), (544, 52857), (612, 46984), (672, 42789), (714, 40272), (816, 35238), (839, 34272), (952, 30204), (1008, 28526), (1071, 26848), (1224, 23492), (1428, 20136), (1632, 17619), (1678, 17136), (1904, 15102), (2016, 14263), (2142, 13424), (2448, 11746), (2517, 11424), (2856, 10068), (3356, 8568), (3808, 7551), (4284, 6712), (4896, 5873), (5034, 5712)]