81549692

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{7121}}^1$

素因数の和:7541

約数の個数: 24

約数和(自身を含む): 163521120

約数和(自身を除く): 81971428

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 7121, 11452, 14242, 28484, 49847, 99694, 199388, 2912489, 5824978, 11649956, 20387423, 40774846, 81549692]

約数ペア:

[(1, 81549692), (2, 40774846), (4, 20387423), (7, 11649956), (14, 5824978), (28, 2912489), (409, 199388), (818, 99694), (1636, 49847), (2863, 28484), (5726, 14242), (7121, 11452)]