128710448

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{78101}}^1$

素因数の和:78212

約数の個数: 20

約数和(自身を含む): 251800848

約数和(自身を除く): 123090400

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 78101, 156202, 312404, 624808, 1249616, 8044403, 16088806, 32177612, 64355224, 128710448]

約数ペア:

[(1, 128710448), (2, 64355224), (4, 32177612), (8, 16088806), (16, 8044403), (103, 1249616), (206, 624808), (412, 312404), (824, 156202), (1648, 78101)]