78130266319

素因数分解:

$7^4\times {\mathrm{571}}^1\times {\mathrm{56989}}^1$

素因数の和:57588

約数の個数: 20

約数和(自身を含む): 91307782280

約数和(自身を除く): 13177515961

約数列:

[1, 7, 49, 343, 571, 2401, 3997, 27979, 56989, 195853, 398923, 1370971, 2792461, 19547227, 32540719, 136830589, 227785033, 1594495231, 11161466617, 78130266319]

約数ペア:

[(1, 78130266319), (7, 11161466617), (49, 1594495231), (343, 227785033), (571, 136830589), (2401, 32540719), (3997, 19547227), (27979, 2792461), (56989, 1370971), (195853, 398923)]