128991548

素因数分解:

$2^2\times 7^1\times {\mathrm{1301}}^1\times {\mathrm{3541}}^1$

素因数の和:4853

約数の個数: 24

約数和(自身を含む): 258254304

約数和(自身を除く): 129262756

約数列:

[1, 2, 4, 7, 14, 28, 1301, 2602, 3541, 5204, 7082, 9107, 14164, 18214, 24787, 36428, 49574, 99148, 4606841, 9213682, 18427364, 32247887, 64495774, 128991548]

約数ペア:

[(1, 128991548), (2, 64495774), (4, 32247887), (7, 18427364), (14, 9213682), (28, 4606841), (1301, 99148), (2602, 49574), (3541, 36428), (5204, 24787), (7082, 18214), (9107, 14164)]