218508

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 517440

約数和(自身を除く): 298932

約数列:

[1, 2, 3, 4, 6, 12, 131, 139, 262, 278, 393, 417, 524, 556, 786, 834, 1572, 1668, 18209, 36418, 54627, 72836, 109254, 218508]

約数ペア:

[(1, 218508), (2, 109254), (3, 72836), (4, 54627), (6, 36418), (12, 18209), (131, 1668), (139, 1572), (262, 834), (278, 786), (393, 556), (417, 524)]