890249464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{19861}}^1$

素因数の和:20311

約数の個数: 32

約数和(自身を含む): 1801880640

約数和(自身を除く): 911631176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 431, 862, 1724, 3448, 5603, 11206, 19861, 22412, 39722, 44824, 79444, 158888, 258193, 516386, 1032772, 2065544, 8560091, 17120182, 34240364, 68480728, 111281183, 222562366, 445124732, 890249464]

約数ペア:

[(1, 890249464), (2, 445124732), (4, 222562366), (8, 111281183), (13, 68480728), (26, 34240364), (52, 17120182), (104, 8560091), (431, 2065544), (862, 1032772), (1724, 516386), (3448, 258193), (5603, 158888), (11206, 79444), (19861, 44824), (22412, 39722)]