28912895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1009}}^1$

素因数の和:1546

約数の個数: 16

約数和(自身を含む): 37959840

約数和(自身を除く): 9046945

約数列:

[1, 5, 11, 55, 521, 1009, 2605, 5045, 5731, 11099, 28655, 55495, 525689, 2628445, 5782579, 28912895]

約数ペア:

[(1, 28912895), (5, 5782579), (11, 2628445), (55, 525689), (521, 55495), (1009, 28655), (2605, 11099), (5045, 5731)]