200331257

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 239345280

約数和(自身を除く): 39014023

約数列:

[1, 7, 49, 71, 89, 497, 623, 647, 3479, 4361, 4529, 6319, 31703, 44233, 45937, 57583, 309631, 321559, 403081, 2250913, 2821567, 4088393, 28618751, 200331257]

約数ペア:

[(1, 200331257), (7, 28618751), (49, 4088393), (71, 2821567), (89, 2250913), (497, 403081), (623, 321559), (647, 309631), (3479, 57583), (4361, 45937), (4529, 44233), (6319, 31703)]