123012428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{399391}}^1$

素因数の和:399413

約数の個数: 24

約数和(自身を含む): 268391424

約数和(自身を除く): 145378996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 399391, 798782, 1597564, 2795737, 4393301, 5591474, 8786602, 11182948, 17573204, 30753107, 61506214, 123012428]

約数ペア:

[(1, 123012428), (2, 61506214), (4, 30753107), (7, 17573204), (11, 11182948), (14, 8786602), (22, 5591474), (28, 4393301), (44, 2795737), (77, 1597564), (154, 798782), (308, 399391)]