28886885

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{821}}^1$

素因数の和:1084

約数の個数: 16

約数和(自身を含む): 35983872

約数和(自身を除く): 7096987

約数列:

[1, 5, 31, 155, 227, 821, 1135, 4105, 7037, 25451, 35185, 127255, 186367, 931835, 5777377, 28886885]

約数ペア:

[(1, 28886885), (5, 5777377), (31, 931835), (155, 186367), (227, 127255), (821, 35185), (1135, 25451), (4105, 7037)]