212954819

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1607}}^1\times {\mathrm{1721}}^1$

素因数の和:3346

約数の個数: 16

約数和(自身を含む): 265821696

約数和(自身を除く): 52866877

約数列:

[1, 7, 11, 77, 1607, 1721, 11249, 12047, 17677, 18931, 123739, 132517, 2765647, 19359529, 30422117, 212954819]

約数ペア:

[(1, 212954819), (7, 30422117), (11, 19359529), (77, 2765647), (1607, 132517), (1721, 123739), (11249, 18931), (12047, 17677)]