388971138

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{397721}}^1$

素因数の和:397889

約数の個数: 16

約数和(自身を含む): 782716896

約数和(自身を除く): 393745758

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 397721, 795442, 1193163, 2386326, 64828523, 129657046, 194485569, 388971138]

約数ペア:

[(1, 388971138), (2, 194485569), (3, 129657046), (6, 64828523), (163, 2386326), (326, 1193163), (489, 795442), (978, 397721)]