278320256

素因数分解:

$2^7\times {\mathrm{139}}^1\times {\mathrm{15643}}^1$

素因数の和:15796

約数の個数: 32

約数和(自身を含む): 558490800

約数和(自身を除く): 280170544

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 278, 556, 1112, 2224, 4448, 8896, 15643, 17792, 31286, 62572, 125144, 250288, 500576, 1001152, 2002304, 2174377, 4348754, 8697508, 17395016, 34790032, 69580064, 139160128, 278320256]

約数ペア:

[(1, 278320256), (2, 139160128), (4, 69580064), (8, 34790032), (16, 17395016), (32, 8697508), (64, 4348754), (128, 2174377), (139, 2002304), (278, 1001152), (556, 500576), (1112, 250288), (2224, 125144), (4448, 62572), (8896, 31286), (15643, 17792)]