16420859

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4877}}^1$

素因数の和:4934

約数の個数: 16

約数和(自身を含む): 20760768

約数和(自身を除く): 4339909

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 4877, 34139, 63401, 180449, 443807, 1263143, 2345837, 16420859]

約数ペア:

[(1, 16420859), (7, 2345837), (13, 1263143), (37, 443807), (91, 180449), (259, 63401), (481, 34139), (3367, 4877)]