218486316

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{130987}}^1$

素因数の和:131133

約数の個数: 24

約数和(自身を含む): 513472960

約数和(自身を除く): 294986644

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 130987, 261974, 392961, 523948, 785922, 1571844, 18207193, 36414386, 54621579, 72828772, 109243158, 218486316]

約数ペア:

[(1, 218486316), (2, 109243158), (3, 72828772), (4, 54621579), (6, 36414386), (12, 18207193), (139, 1571844), (278, 785922), (417, 523948), (556, 392961), (834, 261974), (1668, 130987)]