27761488

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{40351}}^1$

素因数の和:40402

約数の個数: 20

約数和(自身を含む): 55040128

約数和(自身を除く): 27278640

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 40351, 80702, 161404, 322808, 645616, 1735093, 3470186, 6940372, 13880744, 27761488]

約数ペア:

[(1, 27761488), (2, 13880744), (4, 6940372), (8, 3470186), (16, 1735093), (43, 645616), (86, 322808), (172, 161404), (344, 80702), (688, 40351)]