131142781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{28867}}^1$

素因数の和:28944

約数の個数: 16

約数和(自身を含む): 166279680

約数和(自身を除く): 35136899

約数列:

[1, 7, 11, 59, 77, 413, 649, 4543, 28867, 202069, 317537, 1703153, 2222759, 11922071, 18734683, 131142781]

約数ペア:

[(1, 131142781), (7, 18734683), (11, 11922071), (59, 2222759), (77, 1703153), (413, 317537), (649, 202069), (4543, 28867)]