1891569127

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{21787}}^1$

素因数の和:22030

約数の個数: 16

約数和(自身を含む): 2203202560

約数和(自身を除く): 311633433

約数列:

[1, 7, 79, 157, 553, 1099, 12403, 21787, 86821, 152509, 1721173, 3420559, 12048211, 23943913, 270224161, 1891569127]

約数ペア:

[(1, 1891569127), (7, 270224161), (79, 23943913), (157, 12048211), (553, 3420559), (1099, 1721173), (12403, 152509), (21787, 86821)]