138843236

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{25171}}^1$

素因数の和:25379

約数の個数: 24

約数和(自身を含む): 279107136

約数和(自身を除く): 140263900

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 25171, 50342, 100684, 176197, 352394, 704788, 4958687, 9917374, 19834748, 34710809, 69421618, 138843236]

約数ペア:

[(1, 138843236), (2, 69421618), (4, 34710809), (7, 19834748), (14, 9917374), (28, 4958687), (197, 704788), (394, 352394), (788, 176197), (1379, 100684), (2758, 50342), (5516, 25171)]