389783296

素因数分解:

$2^8\times 7^1\times {\mathrm{443}}^1\times {\mathrm{491}}^1$

素因数の和:957

約数の個数: 72

約数和(自身を含む): 893015424

約数和(自身を除く): 503232128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 443, 448, 491, 886, 896, 982, 1772, 1792, 1964, 3101, 3437, 3544, 3928, 6202, 6874, 7088, 7856, 12404, 13748, 14176, 15712, 24808, 27496, 28352, 31424, 49616, 54992, 56704, 62848, 99232, 109984, 113408, 125696, 198464, 217513, 219968, 396928, 435026, 439936, 793856, 870052, 879872, 1522591, 1740104, 3045182, 3480208, 6090364, 6960416, 12180728, 13920832, 24361456, 27841664, 48722912, 55683328, 97445824, 194891648, 389783296]

約数ペア:

[(1, 389783296), (2, 194891648), (4, 97445824), (7, 55683328), (8, 48722912), (14, 27841664), (16, 24361456), (28, 13920832), (32, 12180728), (56, 6960416), (64, 6090364), (112, 3480208), (128, 3045182), (224, 1740104), (256, 1522591), (443, 879872), (448, 870052), (491, 793856), (886, 439936), (896, 435026), (982, 396928), (1772, 219968), (1792, 217513), (1964, 198464), (3101, 125696), (3437, 113408), (3544, 109984), (3928, 99232), (6202, 62848), (6874, 56704), (7088, 54992), (7856, 49616), (12404, 31424), (13748, 28352), (14176, 27496), (15712, 24808)]