12730315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1409}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 16581600

約数和(自身を除く): 3851285

約数列:

[1, 5, 13, 65, 139, 695, 1409, 1807, 7045, 9035, 18317, 91585, 195851, 979255, 2546063, 12730315]

約数ペア:

[(1, 12730315), (5, 2546063), (13, 979255), (65, 195851), (139, 91585), (695, 18317), (1409, 9035), (1807, 7045)]