28049791

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2659}}^1$

素因数の和:2814

約数の個数: 16

約数和(自身を含む): 35239680

約数和(自身を除く): 7189889

約数列:

[1, 7, 11, 77, 137, 959, 1507, 2659, 10549, 18613, 29249, 204743, 364283, 2549981, 4007113, 28049791]

約数ペア:

[(1, 28049791), (7, 4007113), (11, 2549981), (77, 364283), (137, 204743), (959, 29249), (1507, 18613), (2659, 10549)]