28711291

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{1181}}^1$

素因数の和:1362

約数の個数: 16

約数和(自身を含む): 34495488

約数和(自身を除く): 5784197

約数列:

[1, 7, 23, 151, 161, 1057, 1181, 3473, 8267, 24311, 27163, 178331, 190141, 1248317, 4101613, 28711291]

約数ペア:

[(1, 28711291), (7, 4101613), (23, 1248317), (151, 190141), (161, 178331), (1057, 27163), (1181, 24311), (3473, 8267)]