209436640007

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{32136971}}^1$

素因数の和:32137011

約数の個数: 16

約数和(自身を含む): 257095776000

約数和(自身を除く): 47659135993

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 32136971, 224958797, 610602449, 1574711579, 4274217143, 11022981053, 29919520001, 209436640007]

約数ペア:

[(1, 209436640007), (7, 29919520001), (19, 11022981053), (49, 4274217143), (133, 1574711579), (343, 610602449), (931, 224958797), (6517, 32136971)]