520074289

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{29401}}^1$

素因数の和:29453

約数の個数: 18

約数和(自身を含む): 638523234

約数和(自身を除く): 118448945

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 17689, 29401, 205807, 558619, 1440649, 3910333, 10613761, 27372331, 74296327, 520074289]

約数ペア:

[(1, 520074289), (7, 74296327), (19, 27372331), (49, 10613761), (133, 3910333), (361, 1440649), (931, 558619), (2527, 205807), (17689, 29401)]