259887288

素因数分解:

$2^3\times 3^1\times {\mathrm{557}}^1\times {\mathrm{19441}}^1$

素因数の和:20007

約数の個数: 32

約数和(自身を含む): 650918160

約数和(自身を除く): 391030872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 557, 1114, 1671, 2228, 3342, 4456, 6684, 13368, 19441, 38882, 58323, 77764, 116646, 155528, 233292, 466584, 10828637, 21657274, 32485911, 43314548, 64971822, 86629096, 129943644, 259887288]

約数ペア:

[(1, 259887288), (2, 129943644), (3, 86629096), (4, 64971822), (6, 43314548), (8, 32485911), (12, 21657274), (24, 10828637), (557, 466584), (1114, 233292), (1671, 155528), (2228, 116646), (3342, 77764), (4456, 58323), (6684, 38882), (13368, 19441)]