13219115

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1709}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 20684160

約数和(自身を除く): 7465045

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 1709, 7735, 8545, 11963, 22217, 29053, 59815, 111085, 145265, 155519, 203371, 377689, 777595, 1016855, 1888445, 2643823, 13219115]

約数ペア:

[(1, 13219115), (5, 2643823), (7, 1888445), (13, 1016855), (17, 777595), (35, 377689), (65, 203371), (85, 155519), (91, 145265), (119, 111085), (221, 59815), (455, 29053), (595, 22217), (1105, 11963), (1547, 8545), (1709, 7735)]