51813138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{664271}}^1$

素因数の和:664289

約数の個数: 16

約数和(自身を含む): 111597696

約数和(自身を除く): 59784558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 664271, 1328542, 1992813, 3985626, 8635523, 17271046, 25906569, 51813138]

約数ペア:

[(1, 51813138), (2, 25906569), (3, 17271046), (6, 8635523), (13, 3985626), (26, 1992813), (39, 1328542), (78, 664271)]