81642526

素因数分解:

$2^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{7643}}^1$

素因数の和:7768

約数の個数: 24

約数和(自身を含む): 143783640

約数和(自身を除く): 62141114

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 763, 1526, 5341, 7643, 10682, 15286, 53501, 107002, 374507, 749014, 833087, 1666174, 5831609, 11663218, 40821263, 81642526]

約数ペア:

[(1, 81642526), (2, 40821263), (7, 11663218), (14, 5831609), (49, 1666174), (98, 833087), (109, 749014), (218, 374507), (763, 107002), (1526, 53501), (5341, 15286), (7643, 10682)]