28779128

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3923}}^1$

素因数の和:4067

約数の個数: 32

約数和(自身を含む): 62156160

約数和(自身を除く): 33377032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 3668, 3923, 7336, 7846, 15692, 27461, 31384, 54922, 109844, 219688, 513913, 1027826, 2055652, 3597391, 4111304, 7194782, 14389564, 28779128]

約数ペア:

[(1, 28779128), (2, 14389564), (4, 7194782), (7, 4111304), (8, 3597391), (14, 2055652), (28, 1027826), (56, 513913), (131, 219688), (262, 109844), (524, 54922), (917, 31384), (1048, 27461), (1834, 15692), (3668, 7846), (3923, 7336)]