28789855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 35843328

約数和(自身を除く): 7053473

約数列:

[1, 5, 31, 155, 281, 661, 1405, 3305, 8711, 20491, 43555, 102455, 185741, 928705, 5757971, 28789855]

約数ペア:

[(1, 28789855), (5, 5757971), (31, 928705), (155, 185741), (281, 102455), (661, 43555), (1405, 20491), (3305, 8711)]