28199248

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 69709824

約数和(自身を除く): 41510576

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 47, 56, 77, 88, 94, 112, 154, 176, 188, 308, 329, 376, 487, 517, 616, 658, 752, 974, 1034, 1232, 1316, 1948, 2068, 2632, 3409, 3619, 3896, 4136, 5264, 5357, 6818, 7238, 7792, 8272, 10714, 13636, 14476, 21428, 22889, 27272, 28952, 37499, 42856, 45778, 54544, 57904, 74998, 85712, 91556, 149996, 160223, 183112, 251779, 299992, 320446, 366224, 503558, 599984, 640892, 1007116, 1281784, 1762453, 2014232, 2563568, 3524906, 4028464, 7049812, 14099624, 28199248]

約数ペア:

[(1, 28199248), (2, 14099624), (4, 7049812), (7, 4028464), (8, 3524906), (11, 2563568), (14, 2014232), (16, 1762453), (22, 1281784), (28, 1007116), (44, 640892), (47, 599984), (56, 503558), (77, 366224), (88, 320446), (94, 299992), (112, 251779), (154, 183112), (176, 160223), (188, 149996), (308, 91556), (329, 85712), (376, 74998), (487, 57904), (517, 54544), (616, 45778), (658, 42856), (752, 37499), (974, 28952), (1034, 27272), (1232, 22889), (1316, 21428), (1948, 14476), (2068, 13636), (2632, 10714), (3409, 8272), (3619, 7792), (3896, 7238), (4136, 6818), (5264, 5357)]