28138348

素因数分解:

$2^2\times 7^3\times {\mathrm{20509}}^1$

素因数の和:20534

約数の個数: 24

約数和(自身を含む): 57428000

約数和(自身を除く): 29289652

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 20509, 41018, 82036, 143563, 287126, 574252, 1004941, 2009882, 4019764, 7034587, 14069174, 28138348]

約数ペア:

[(1, 28138348), (2, 14069174), (4, 7034587), (7, 4019764), (14, 2009882), (28, 1004941), (49, 574252), (98, 287126), (196, 143563), (343, 82036), (686, 41018), (1372, 20509)]