16520693

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 20388672

約数和(自身を除く): 3867979

約数列:

[1, 7, 23, 49, 107, 137, 161, 749, 959, 1127, 2461, 3151, 5243, 6713, 14659, 17227, 22057, 102613, 120589, 154399, 337157, 718291, 2360099, 16520693]

約数ペア:

[(1, 16520693), (7, 2360099), (23, 718291), (49, 337157), (107, 154399), (137, 120589), (161, 102613), (749, 22057), (959, 17227), (1127, 14659), (2461, 6713), (3151, 5243)]