213726401

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{4019}}^1$

素因数の和:4204

約数の個数: 16

約数和(自身を含む): 250076160

約数和(自身を除く): 36349759

約数列:

[1, 7, 71, 107, 497, 749, 4019, 7597, 28133, 53179, 285349, 430033, 1997443, 3010231, 30532343, 213726401]

約数ペア:

[(1, 213726401), (7, 30532343), (71, 3010231), (107, 1997443), (497, 430033), (749, 285349), (4019, 53179), (7597, 28133)]