638757612

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{36137}}^1$

素因数の和:36638

約数の個数: 36

約数和(自身を含む): 1617970536

約数和(自身を除く): 979212924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1473, 1964, 2946, 4419, 5892, 8838, 17676, 36137, 72274, 108411, 144548, 216822, 325233, 433644, 650466, 1300932, 17743267, 35486534, 53229801, 70973068, 106459602, 159689403, 212919204, 319378806, 638757612]

約数ペア:

[(1, 638757612), (2, 319378806), (3, 212919204), (4, 159689403), (6, 106459602), (9, 70973068), (12, 53229801), (18, 35486534), (36, 17743267), (491, 1300932), (982, 650466), (1473, 433644), (1964, 325233), (2946, 216822), (4419, 144548), (5892, 108411), (8838, 72274), (17676, 36137)]