290469595

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{1987}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 379811376

約数和(自身を除く): 89341781

約数列:

[1, 5, 13, 65, 169, 173, 845, 865, 1987, 2249, 9935, 11245, 25831, 29237, 129155, 146185, 335803, 343751, 1679015, 1718755, 4468763, 22343815, 58093919, 290469595]

約数ペア:

[(1, 290469595), (5, 58093919), (13, 22343815), (65, 4468763), (169, 1718755), (173, 1679015), (845, 343751), (865, 335803), (1987, 146185), (2249, 129155), (9935, 29237), (11245, 25831)]