3678913

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 4480000

約数和(自身を除く): 801087

約数列:

[1, 7, 19, 133, 139, 199, 973, 1393, 2641, 3781, 18487, 26467, 27661, 193627, 525559, 3678913]

約数ペア:

[(1, 3678913), (7, 525559), (19, 193627), (133, 27661), (139, 26467), (199, 18487), (973, 3781), (1393, 2641)]