28712992

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 72382464

約数和(自身を除く): 43669472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 56, 77, 86, 88, 112, 154, 172, 176, 224, 271, 301, 308, 344, 352, 473, 542, 602, 616, 688, 946, 1084, 1204, 1232, 1376, 1892, 1897, 2168, 2408, 2464, 2981, 3311, 3784, 3794, 4336, 4816, 5962, 6622, 7568, 7588, 8672, 9632, 11653, 11924, 13244, 15136, 15176, 20867, 23306, 23848, 26488, 30352, 41734, 46612, 47696, 52976, 60704, 81571, 83468, 93224, 95392, 105952, 128183, 163142, 166936, 186448, 256366, 326284, 333872, 372896, 512732, 652568, 667744, 897281, 1025464, 1305136, 1794562, 2050928, 2610272, 3589124, 4101856, 7178248, 14356496, 28712992]

約数ペア:

[(1, 28712992), (2, 14356496), (4, 7178248), (7, 4101856), (8, 3589124), (11, 2610272), (14, 2050928), (16, 1794562), (22, 1305136), (28, 1025464), (32, 897281), (43, 667744), (44, 652568), (56, 512732), (77, 372896), (86, 333872), (88, 326284), (112, 256366), (154, 186448), (172, 166936), (176, 163142), (224, 128183), (271, 105952), (301, 95392), (308, 93224), (344, 83468), (352, 81571), (473, 60704), (542, 52976), (602, 47696), (616, 46612), (688, 41734), (946, 30352), (1084, 26488), (1204, 23848), (1232, 23306), (1376, 20867), (1892, 15176), (1897, 15136), (2168, 13244), (2408, 11924), (2464, 11653), (2981, 9632), (3311, 8672), (3784, 7588), (3794, 7568), (4336, 6622), (4816, 5962)]