28435678

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{1493}}^1$

素因数の和:1691

約数の個数: 16

約数和(自身を含む): 43565040

約数和(自身を除く): 15129362

約数列:

[1, 2, 89, 107, 178, 214, 1493, 2986, 9523, 19046, 132877, 159751, 265754, 319502, 14217839, 28435678]

約数ペア:

[(1, 28435678), (2, 14217839), (89, 319502), (107, 265754), (178, 159751), (214, 132877), (1493, 19046), (2986, 9523)]