816997132

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{71341}}^1$

素因数の和:71761

約数の個数: 24

約数和(自身を含む): 1638012320

約数和(自身を除く): 821015188

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 11452, 71341, 142682, 285364, 499387, 998774, 1997548, 29178469, 58356938, 116713876, 204249283, 408498566, 816997132]

約数ペア:

[(1, 816997132), (2, 408498566), (4, 204249283), (7, 116713876), (14, 58356938), (28, 29178469), (409, 1997548), (818, 998774), (1636, 499387), (2863, 285364), (5726, 142682), (11452, 71341)]