266939981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{20759}}^1$

素因数の和:20944

約数の個数: 16

約数和(自身を含む): 334817280

約数和(自身を除く): 67877299

約数列:

[1, 7, 11, 77, 167, 1169, 1837, 12859, 20759, 145313, 228349, 1598443, 3466753, 24267271, 38134283, 266939981]

約数ペア:

[(1, 266939981), (7, 38134283), (11, 24267271), (77, 3466753), (167, 1598443), (1169, 228349), (1837, 145313), (12859, 20759)]