12489995

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 17627616

約数和(自身を除く): 5137621

約数列:

[1, 5, 7, 35, 43, 193, 215, 301, 965, 1351, 1505, 1849, 6755, 8299, 9245, 12943, 41495, 58093, 64715, 290465, 356857, 1784285, 2497999, 12489995]

約数ペア:

[(1, 12489995), (5, 2497999), (7, 1784285), (35, 356857), (43, 290465), (193, 64715), (215, 58093), (301, 41495), (965, 12943), (1351, 9245), (1505, 8299), (1849, 6755)]