289204321

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{593}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 347383080

約数和(自身を除く): 58178759

約数列:

[1, 7, 37, 49, 259, 269, 593, 1813, 1883, 4151, 9953, 13181, 21941, 29057, 69671, 153587, 159517, 487697, 1075109, 1116619, 5902129, 7816333, 41314903, 289204321]

約数ペア:

[(1, 289204321), (7, 41314903), (37, 7816333), (49, 5902129), (259, 1116619), (269, 1075109), (593, 487697), (1813, 159517), (1883, 153587), (4151, 69671), (9953, 29057), (13181, 21941)]