15721421105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1567}}^1\times {\mathrm{154351}}^1$

素因数の和:155936

約数の個数: 16

約数和(自身を含む): 20330010624

約数和(自身を除く): 4608589519

約数列:

[1, 5, 13, 65, 1567, 7835, 20371, 101855, 154351, 771755, 2006563, 10032815, 241868017, 1209340085, 3144284221, 15721421105]

約数ペア:

[(1, 15721421105), (5, 3144284221), (13, 1209340085), (65, 241868017), (1567, 10032815), (7835, 2006563), (20371, 771755), (101855, 154351)]