83971321

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{12721}}^1$

素因数の和:12792

約数の個数: 16

約数和(自身を含む): 102590208

約数和(自身を除く): 18618887

約数列:

[1, 7, 23, 41, 161, 287, 943, 6601, 12721, 89047, 292583, 521561, 2048081, 3650927, 11995903, 83971321]

約数ペア:

[(1, 83971321), (7, 11995903), (23, 3650927), (41, 2048081), (161, 521561), (287, 292583), (943, 89047), (6601, 12721)]