28406287

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{577}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 35086912

約数和(自身を除く): 6680625

約数列:

[1, 7, 13, 91, 541, 577, 3787, 4039, 7033, 7501, 49231, 52507, 312157, 2185099, 4058041, 28406287]

約数ペア:

[(1, 28406287), (7, 4058041), (13, 2185099), (91, 312157), (541, 52507), (577, 49231), (3787, 7501), (4039, 7033)]