81712123

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 87494400

約数和(自身を除く): 5782277

約数列:

[1, 23, 61, 139, 419, 1403, 3197, 8479, 9637, 25559, 58241, 195017, 587857, 1339543, 3552701, 81712123]

約数ペア:

[(1, 81712123), (23, 3552701), (61, 1339543), (139, 587857), (419, 195017), (1403, 58241), (3197, 25559), (8479, 9637)]