281363276

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{3359}}^1$

素因数の和:3893

約数の個数: 24

約数和(自身を含む): 505021440

約数和(自身を除く): 223658164

約数列:

[1, 2, 4, 43, 86, 172, 487, 974, 1948, 3359, 6718, 13436, 20941, 41882, 83764, 144437, 288874, 577748, 1635833, 3271666, 6543332, 70340819, 140681638, 281363276]

約数ペア:

[(1, 281363276), (2, 140681638), (4, 70340819), (43, 6543332), (86, 3271666), (172, 1635833), (487, 577748), (974, 288874), (1948, 144437), (3359, 83764), (6718, 41882), (13436, 20941)]