28141264

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{40903}}^1$

素因数の和:40954

約数の個数: 20

約数和(自身を含む): 55793056

約数和(自身を除く): 27651792

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 40903, 81806, 163612, 327224, 654448, 1758829, 3517658, 7035316, 14070632, 28141264]

約数ペア:

[(1, 28141264), (2, 14070632), (4, 7035316), (8, 3517658), (16, 1758829), (43, 654448), (86, 327224), (172, 163612), (344, 81806), (688, 40903)]