28740754

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 25038062

約数列:

[1, 2, 7, 14, 23, 41, 46, 49, 82, 98, 161, 287, 311, 322, 574, 622, 943, 1127, 1886, 2009, 2177, 2254, 4018, 4354, 6601, 7153, 12751, 13202, 14306, 15239, 25502, 30478, 46207, 50071, 89257, 92414, 100142, 178514, 293273, 350497, 586546, 624799, 700994, 1249598, 2052911, 4105822, 14370377, 28740754]

約数ペア:

[(1, 28740754), (2, 14370377), (7, 4105822), (14, 2052911), (23, 1249598), (41, 700994), (46, 624799), (49, 586546), (82, 350497), (98, 293273), (161, 178514), (287, 100142), (311, 92414), (322, 89257), (574, 50071), (622, 46207), (943, 30478), (1127, 25502), (1886, 15239), (2009, 14306), (2177, 13202), (2254, 12751), (4018, 7153), (4354, 6601)]