81086404

素因数分解:

$2^2\times 7^1\times {\mathrm{2895943}}^1$

素因数の和:2895954

約数の個数: 12

約数和(自身を含む): 162172864

約数和(自身を除く): 81086460

約数列:

[1, 2, 4, 7, 14, 28, 2895943, 5791886, 11583772, 20271601, 40543202, 81086404]

約数ペア:

[(1, 81086404), (2, 40543202), (4, 20271601), (7, 11583772), (14, 5791886), (28, 2895943)]