489796690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{6563}}^1$

素因数の和:7026

約数の個数: 32

約数和(自身を含む): 935763840

約数和(自身を除く): 445967150

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 439, 878, 2195, 4390, 6563, 7463, 13126, 14926, 32815, 37315, 65630, 74630, 111571, 223142, 557855, 1115710, 2881157, 5762314, 14405785, 28811570, 48979669, 97959338, 244898345, 489796690]

約数ペア:

[(1, 489796690), (2, 244898345), (5, 97959338), (10, 48979669), (17, 28811570), (34, 14405785), (85, 5762314), (170, 2881157), (439, 1115710), (878, 557855), (2195, 223142), (4390, 111571), (6563, 74630), (7463, 65630), (13126, 37315), (14926, 32815)]