139039855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 182952000

約数和(自身を除く): 43912145

約数列:

[1, 5, 17, 43, 85, 109, 215, 349, 545, 731, 1745, 1853, 3655, 4687, 5933, 9265, 15007, 23435, 29665, 38041, 75035, 79679, 190205, 255119, 398395, 646697, 1275595, 1635763, 3233485, 8178815, 27807971, 139039855]

約数ペア:

[(1, 139039855), (5, 27807971), (17, 8178815), (43, 3233485), (85, 1635763), (109, 1275595), (215, 646697), (349, 398395), (545, 255119), (731, 190205), (1745, 79679), (1853, 75035), (3655, 38041), (4687, 29665), (5933, 23435), (9265, 15007)]