166223239

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{571}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 209056848

約数和(自身を除く): 42833609

約数列:

[1, 7, 13, 49, 91, 457, 571, 637, 3199, 3997, 5941, 7423, 22393, 27979, 41587, 51961, 260947, 291109, 363727, 1826629, 3392311, 12786403, 23746177, 166223239]

約数ペア:

[(1, 166223239), (7, 23746177), (13, 12786403), (49, 3392311), (91, 1826629), (457, 363727), (571, 291109), (637, 260947), (3199, 51961), (3997, 41587), (5941, 27979), (7423, 22393)]