313640719

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{701}}^1$

素因数の和:1135

約数の個数: 24

約数和(自身を含む): 382213728

約数和(自身を除く): 68573009

約数列:

[1, 7, 23, 49, 161, 397, 701, 1127, 2779, 4907, 9131, 16123, 19453, 34349, 63917, 112861, 278297, 447419, 790027, 1948079, 6400831, 13636553, 44805817, 313640719]

約数ペア:

[(1, 313640719), (7, 44805817), (23, 13636553), (49, 6400831), (161, 1948079), (397, 790027), (701, 447419), (1127, 278297), (2779, 112861), (4907, 63917), (9131, 34349), (16123, 19453)]