28670768

素因数分解:

$2^4\times 7^1\times {\mathrm{255989}}^1$

素因数の和:256004

約数の個数: 20

約数和(自身を含む): 63485520

約数和(自身を除く): 34814752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 255989, 511978, 1023956, 1791923, 2047912, 3583846, 4095824, 7167692, 14335384, 28670768]

約数ペア:

[(1, 28670768), (2, 14335384), (4, 7167692), (7, 4095824), (8, 3583846), (14, 2047912), (16, 1791923), (28, 1023956), (56, 511978), (112, 255989)]