12738481

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 15759360

約数和(自身を除く): 3020879

約数列:

[1, 7, 23, 49, 89, 127, 161, 623, 889, 1127, 2047, 2921, 4361, 6223, 11303, 14329, 20447, 79121, 100303, 143129, 259969, 553847, 1819783, 12738481]

約数ペア:

[(1, 12738481), (7, 1819783), (23, 553847), (49, 259969), (89, 143129), (127, 100303), (161, 79121), (623, 20447), (889, 14329), (1127, 11303), (2047, 6223), (2921, 4361)]