280864

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 24

約数和(自身を含む): 565488

約数和(自身を除く): 284624

約数列:

[1, 2, 4, 8, 16, 32, 67, 131, 134, 262, 268, 524, 536, 1048, 1072, 2096, 2144, 4192, 8777, 17554, 35108, 70216, 140432, 280864]

約数ペア:

[(1, 280864), (2, 140432), (4, 70216), (8, 35108), (16, 17554), (32, 8777), (67, 4192), (131, 2144), (134, 2096), (262, 1072), (268, 1048), (524, 536)]