2154218759

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{31541}}^1$

素因数の和:32446

約数の個数: 16

約数和(自身を含む): 2688892416

約数和(自身を除く): 534673657

約数列:

[1, 7, 11, 77, 887, 6209, 9757, 31541, 68299, 220787, 346951, 2428657, 27976867, 195838069, 307745537, 2154218759]

約数ペア:

[(1, 2154218759), (7, 307745537), (11, 195838069), (77, 27976867), (887, 2428657), (6209, 346951), (9757, 220787), (31541, 68299)]