12987737

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 15500160

約数和(自身を除く): 2512423

約数列:

[1, 7, 29, 137, 203, 467, 959, 3269, 3973, 13543, 27811, 63979, 94801, 447853, 1855391, 12987737]

約数ペア:

[(1, 12987737), (7, 1855391), (29, 447853), (137, 94801), (203, 63979), (467, 27811), (959, 13543), (3269, 3973)]