28492807

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 33214464

約数和(自身を除く): 4721657

約数列:

[1, 7, 101, 191, 211, 707, 1337, 1477, 19291, 21311, 40301, 135037, 149177, 282107, 4070401, 28492807]

約数ペア:

[(1, 28492807), (7, 4070401), (101, 282107), (191, 149177), (211, 135037), (707, 40301), (1337, 21311), (1477, 19291)]