12864256

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1668

約数の個数: 36

約数和(自身を含む): 26522944

約数和(自身を除く): 13658688

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1621, 1984, 3242, 3968, 6484, 7936, 12968, 25936, 50251, 51872, 100502, 103744, 201004, 207488, 402008, 414976, 804016, 1608032, 3216064, 6432128, 12864256]

約数ペア:

[(1, 12864256), (2, 6432128), (4, 3216064), (8, 1608032), (16, 804016), (31, 414976), (32, 402008), (62, 207488), (64, 201004), (124, 103744), (128, 100502), (248, 51872), (256, 50251), (496, 25936), (992, 12968), (1621, 7936), (1984, 6484), (3242, 3968)]