81404638

素因数分解:

$2^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{12451}}^1$

素因数の和:12927

約数の個数: 16

約数和(自身を含む): 139860864

約数和(自身を除く): 58456226

約数列:

[1, 2, 7, 14, 467, 934, 3269, 6538, 12451, 24902, 87157, 174314, 5814617, 11629234, 40702319, 81404638]

約数ペア:

[(1, 81404638), (2, 40702319), (7, 11629234), (14, 5814617), (467, 174314), (934, 87157), (3269, 24902), (6538, 12451)]