821348

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1697}}^1$

素因数の和:1723

約数の個数: 18

約数和(自身を含む): 1580838

約数和(自身を除く): 759490

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1697, 3394, 6788, 18667, 37334, 74668, 205337, 410674, 821348]

約数ペア:

[(1, 821348), (2, 410674), (4, 205337), (11, 74668), (22, 37334), (44, 18667), (121, 6788), (242, 3394), (484, 1697)]