1980007918

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{15907}}^1$

素因数の和:16456

約数の個数: 32

約数和(自身を含む): 3601062144

約数和(自身を除く): 1621054226

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 523, 1046, 3661, 7322, 8891, 15907, 17782, 31814, 62237, 111349, 124474, 222698, 270419, 540838, 1892933, 3785866, 8319361, 16638722, 58235527, 116471054, 141429137, 282858274, 990003959, 1980007918]

約数ペア:

[(1, 1980007918), (2, 990003959), (7, 282858274), (14, 141429137), (17, 116471054), (34, 58235527), (119, 16638722), (238, 8319361), (523, 3785866), (1046, 1892933), (3661, 540838), (7322, 270419), (8891, 222698), (15907, 124474), (17782, 111349), (31814, 62237)]