991371138

素因数分解:

$2^1\times 3^1\times {\mathrm{1223}}^1\times {\mathrm{135101}}^1$

素因数の和:136329

約数の個数: 16

約数和(自身を含む): 1984378176

約数和(自身を除く): 993007038

約数列:

[1, 2, 3, 6, 1223, 2446, 3669, 7338, 135101, 270202, 405303, 810606, 165228523, 330457046, 495685569, 991371138]

約数ペア:

[(1, 991371138), (2, 495685569), (3, 330457046), (6, 165228523), (1223, 810606), (2446, 405303), (3669, 270202), (7338, 135101)]