91020905

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{947}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 111939840

約数和(自身を除く): 20918935

約数列:

[1, 5, 47, 235, 409, 947, 2045, 4735, 19223, 44509, 96115, 222545, 387323, 1936615, 18204181, 91020905]

約数ペア:

[(1, 91020905), (5, 18204181), (47, 1936615), (235, 387323), (409, 222545), (947, 96115), (2045, 44509), (4735, 19223)]