207978884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{6967}}^1$

素因数の和:7427

約数の個数: 24

約数和(自身を含む): 386305920

約数和(自身を除く): 178327036

約数列:

[1, 2, 4, 17, 34, 68, 439, 878, 1756, 6967, 7463, 13934, 14926, 27868, 29852, 118439, 236878, 473756, 3058513, 6117026, 12234052, 51994721, 103989442, 207978884]

約数ペア:

[(1, 207978884), (2, 103989442), (4, 51994721), (17, 12234052), (34, 6117026), (68, 3058513), (439, 473756), (878, 236878), (1756, 118439), (6967, 29852), (7463, 27868), (13934, 14926)]