28939955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7411}}^1$

素因数の和:7498

約数の個数: 16

約数和(自身を含む): 38423808

約数和(自身を除く): 9483853

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 7411, 37055, 81521, 407605, 526181, 2630905, 5787991, 28939955]

約数ペア:

[(1, 28939955), (5, 5787991), (11, 2630905), (55, 526181), (71, 407605), (355, 81521), (781, 37055), (3905, 7411)]