27685808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{40241}}^1$

素因数の和:40292

約数の個数: 20

約数和(自身を含む): 54890088

約数和(自身を除く): 27204280

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 40241, 80482, 160964, 321928, 643856, 1730363, 3460726, 6921452, 13842904, 27685808]

約数ペア:

[(1, 27685808), (2, 13842904), (4, 6921452), (8, 3460726), (16, 1730363), (43, 643856), (86, 321928), (172, 160964), (344, 80482), (688, 40241)]