28327964

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7723}}^1$

素因数の和:7865

約数の個数: 24

約数和(自身を含む): 57095808

約数和(自身を除く): 28767844

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 7723, 15446, 30892, 54061, 108122, 216244, 1011713, 2023426, 4046852, 7081991, 14163982, 28327964]

約数ペア:

[(1, 28327964), (2, 14163982), (4, 7081991), (7, 4046852), (14, 2023426), (28, 1011713), (131, 216244), (262, 108122), (524, 54061), (917, 30892), (1834, 15446), (3668, 7723)]