2680391

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 16

約数和(自身を含む): 3210240

約数和(自身を除く): 529849

約数列:

[1, 7, 37, 79, 131, 259, 553, 917, 2923, 4847, 10349, 20461, 33929, 72443, 382913, 2680391]

約数ペア:

[(1, 2680391), (7, 382913), (37, 72443), (79, 33929), (131, 20461), (259, 10349), (553, 4847), (917, 2923)]