28215808

素因数分解:

$2^9\times {\mathrm{55109}}^1$

素因数の和:55127

約数の個数: 20

約数和(自身を含む): 56377530

約数和(自身を除く): 28161722

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 55109, 110218, 220436, 440872, 881744, 1763488, 3526976, 7053952, 14107904, 28215808]

約数ペア:

[(1, 28215808), (2, 14107904), (4, 7053952), (8, 3526976), (16, 1763488), (32, 881744), (64, 440872), (128, 220436), (256, 110218), (512, 55109)]