28590079

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 7697921

約数列:

[1, 7, 19, 41, 49, 107, 133, 287, 343, 749, 779, 931, 2009, 2033, 4387, 5243, 5453, 6517, 14063, 14231, 30709, 36701, 38171, 83353, 99617, 214963, 267197, 583471, 697319, 1504741, 4084297, 28590079]

約数ペア:

[(1, 28590079), (7, 4084297), (19, 1504741), (41, 697319), (49, 583471), (107, 267197), (133, 214963), (287, 99617), (343, 83353), (749, 38171), (779, 36701), (931, 30709), (2009, 14231), (2033, 14063), (4387, 6517), (5243, 5453)]