289399190

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{29027}}^1$

素因数の和:30031

約数の個数: 16

約数和(自身を含む): 521458992

約数和(自身を除く): 232059802

約数列:

[1, 2, 5, 10, 997, 1994, 4985, 9970, 29027, 58054, 145135, 290270, 28939919, 57879838, 144699595, 289399190]

約数ペア:

[(1, 289399190), (2, 144699595), (5, 57879838), (10, 28939919), (997, 290270), (1994, 145135), (4985, 58054), (9970, 29027)]