203489296

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{19841}}^1$

素因数の和:20490

約数の個数: 20

約数和(自身を含む): 394895484

約数和(自身を除く): 191406188

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 19841, 39682, 79364, 158728, 317456, 12718081, 25436162, 50872324, 101744648, 203489296]

約数ペア:

[(1, 203489296), (2, 101744648), (4, 50872324), (8, 25436162), (16, 12718081), (641, 317456), (1282, 158728), (2564, 79364), (5128, 39682), (10256, 19841)]