819412

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1693}}^1$

素因数の和:1719

約数の個数: 18

約数和(自身を含む): 1577114

約数和(自身を除く): 757702

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1693, 3386, 6772, 18623, 37246, 74492, 204853, 409706, 819412]

約数ペア:

[(1, 819412), (2, 409706), (4, 204853), (11, 74492), (22, 37246), (44, 18623), (121, 6772), (242, 3386), (484, 1693)]