12778339

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{643}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 15579648

約数和(自身を除く): 2801309

約数列:

[1, 7, 17, 119, 167, 643, 1169, 2839, 4501, 10931, 19873, 76517, 107381, 751667, 1825477, 12778339]

約数ペア:

[(1, 12778339), (7, 1825477), (17, 751667), (119, 107381), (167, 76517), (643, 19873), (1169, 10931), (2839, 4501)]