1661851454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{408719}}^1$

素因数の和:408847

約数の個数: 16

約数和(自身を含む): 2648505600

約数和(自身を除く): 986654146

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 408719, 817438, 7765661, 15531322, 43732933, 87465866, 830925727, 1661851454]

約数ペア:

[(1, 1661851454), (2, 830925727), (19, 87465866), (38, 43732933), (107, 15531322), (214, 7765661), (2033, 817438), (4066, 408719)]