80817836

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{166979}}^1$

素因数の和:167005

約数の個数: 18

約数和(自身を含む): 155458380

約数和(自身を除く): 74640544

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 166979, 333958, 667916, 1836769, 3673538, 7347076, 20204459, 40408918, 80817836]

約数ペア:

[(1, 80817836), (2, 40408918), (4, 20204459), (11, 7347076), (22, 3673538), (44, 1836769), (121, 667916), (242, 333958), (484, 166979)]