27688624

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{91081}}^1$

素因数の和:91108

約数の個数: 20

約数和(自身を含む): 56470840

約数和(自身を除く): 28782216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 91081, 182162, 364324, 728648, 1457296, 1730539, 3461078, 6922156, 13844312, 27688624]

約数ペア:

[(1, 27688624), (2, 13844312), (4, 6922156), (8, 3461078), (16, 1730539), (19, 1457296), (38, 728648), (76, 364324), (152, 182162), (304, 91081)]