211320403007

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{65657}}^1\times {\mathrm{19991}}^1$

素因数の和:85678

約数の個数: 16

約数和(自身を含む): 252025869312

約数和(自身を除く): 40705466305

約数列:

[1, 7, 23, 161, 19991, 65657, 139937, 459599, 459793, 1510111, 3218551, 10570777, 1312549087, 9187843609, 30188629001, 211320403007]

約数ペア:

[(1, 211320403007), (7, 30188629001), (23, 9187843609), (161, 1312549087), (19991, 10570777), (65657, 3218551), (139937, 1510111), (459599, 459793)]