31139912

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{90523}}^1$

素因数の和:90572

約数の個数: 16

約数和(自身を含む): 59745840

約数和(自身を除く): 28605928

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 90523, 181046, 362092, 724184, 3892489, 7784978, 15569956, 31139912]

約数ペア:

[(1, 31139912), (2, 15569956), (4, 7784978), (8, 3892489), (43, 724184), (86, 362092), (172, 181046), (344, 90523)]