238874999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{1019}}^1$

素因数の和:1342

約数の個数: 16

約数和(自身を含む): 264677760

約数和(自身を除く): 25802761

約数列:

[1, 11, 101, 211, 1019, 1111, 2321, 11209, 21311, 102919, 215009, 234421, 1132109, 2365099, 21715909, 238874999]

約数ペア:

[(1, 238874999), (11, 21715909), (101, 2365099), (211, 1132109), (1019, 234421), (1111, 215009), (2321, 102919), (11209, 21311)]