6439255

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 8019648

約数和(自身を除く): 1580393

約数列:

[1, 5, 41, 101, 205, 311, 505, 1555, 4141, 12751, 20705, 31411, 63755, 157055, 1287851, 6439255]

約数ペア:

[(1, 6439255), (5, 1287851), (41, 157055), (101, 63755), (205, 31411), (311, 20705), (505, 12751), (1555, 4141)]