28196992

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 59241600

約数和(自身を除く): 31044608

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 64, 86, 94, 109, 128, 172, 188, 218, 344, 376, 436, 688, 752, 872, 1376, 1504, 1744, 2021, 2752, 3008, 3488, 4042, 4687, 5123, 5504, 6016, 6976, 8084, 9374, 10246, 13952, 16168, 18748, 20492, 32336, 37496, 40984, 64672, 74992, 81968, 129344, 149984, 163936, 220289, 258688, 299968, 327872, 440578, 599936, 655744, 881156, 1762312, 3524624, 7049248, 14098496, 28196992]

約数ペア:

[(1, 28196992), (2, 14098496), (4, 7049248), (8, 3524624), (16, 1762312), (32, 881156), (43, 655744), (47, 599936), (64, 440578), (86, 327872), (94, 299968), (109, 258688), (128, 220289), (172, 163936), (188, 149984), (218, 129344), (344, 81968), (376, 74992), (436, 64672), (688, 40984), (752, 37496), (872, 32336), (1376, 20492), (1504, 18748), (1744, 16168), (2021, 13952), (2752, 10246), (3008, 9374), (3488, 8084), (4042, 6976), (4687, 6016), (5123, 5504)]