261567779995

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{2399}}^1\times {\mathrm{192977}}^1$

素因数の和:195494

約数の個数: 16

約数和(自身を含む): 316792684800

約数和(自身を除く): 55224904805

約数列:

[1, 5, 113, 565, 2399, 11995, 192977, 271087, 964885, 1355435, 21806401, 109032005, 462951823, 2314759115, 52313555999, 261567779995]

約数ペア:

[(1, 261567779995), (5, 52313555999), (113, 2314759115), (565, 462951823), (2399, 109032005), (11995, 21806401), (192977, 1355435), (271087, 964885)]