686125430

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{68819}}^1$

素因数の和:69823

約数の個数: 16

約数和(自身を含む): 1236282480

約数和(自身を除く): 550157050

約数列:

[1, 2, 5, 10, 997, 1994, 4985, 9970, 68819, 137638, 344095, 688190, 68612543, 137225086, 343062715, 686125430]

約数ペア:

[(1, 686125430), (2, 343062715), (5, 137225086), (10, 68612543), (997, 688190), (1994, 344095), (4985, 137638), (9970, 68819)]