28879081

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 37018080

約数和(自身を除く): 8138999

約数列:

[1, 7, 11, 49, 77, 131, 409, 539, 917, 1441, 2863, 4499, 6419, 10087, 20041, 31493, 53579, 70609, 220451, 375053, 589369, 2625371, 4125583, 28879081]

約数ペア:

[(1, 28879081), (7, 4125583), (11, 2625371), (49, 589369), (77, 375053), (131, 220451), (409, 70609), (539, 53579), (917, 31493), (1441, 20041), (2863, 10087), (4499, 6419)]