12978565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1427}}^1$

素因数の和:1556

約数の個数: 16

約数和(自身を含む): 16656192

約数和(自身を除く): 3677627

約数列:

[1, 5, 17, 85, 107, 535, 1427, 1819, 7135, 9095, 24259, 121295, 152689, 763445, 2595713, 12978565]

約数ペア:

[(1, 12978565), (5, 2595713), (17, 763445), (85, 152689), (107, 121295), (535, 24259), (1427, 9095), (1819, 7135)]