258602939

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3121}}^1$

素因数の和:3243

約数の個数: 24

約数和(自身を含む): 320317200

約数和(自身を除く): 61714261

約数列:

[1, 7, 19, 49, 89, 133, 623, 931, 1691, 3121, 4361, 11837, 21847, 59299, 82859, 152929, 277769, 415093, 1944383, 2905651, 5277611, 13610681, 36943277, 258602939]

約数ペア:

[(1, 258602939), (7, 36943277), (19, 13610681), (49, 5277611), (89, 2905651), (133, 1944383), (623, 415093), (931, 277769), (1691, 152929), (3121, 82859), (4361, 59299), (11837, 21847)]