28556128

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{20753}}^1$

素因数の和:20806

約数の個数: 24

約数和(自身を含む): 57530088

約数和(自身を除く): 28973960

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 20753, 41506, 83012, 166024, 332048, 664096, 892379, 1784758, 3569516, 7139032, 14278064, 28556128]

約数ペア:

[(1, 28556128), (2, 14278064), (4, 7139032), (8, 3569516), (16, 1784758), (32, 892379), (43, 664096), (86, 332048), (172, 166024), (344, 83012), (688, 41506), (1376, 20753)]