289295279

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{22871}}^1$

素因数の和:23030

約数の個数: 16

約数和(自身を含む): 358632960

約数和(自身を除く): 69337681

約数列:

[1, 7, 13, 91, 139, 973, 1807, 12649, 22871, 160097, 297323, 2081261, 3179069, 22253483, 41327897, 289295279]

約数ペア:

[(1, 289295279), (7, 41327897), (13, 22253483), (91, 3179069), (139, 2081261), (973, 297323), (1807, 160097), (12649, 22871)]