128903054

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{22961}}^1$

素因数の和:23371

約数の個数: 16

約数和(自身を含む): 221537376

約数和(自身を除く): 92634322

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5614, 22961, 45922, 160727, 321454, 9207361, 18414722, 64451527, 128903054]

約数ペア:

[(1, 128903054), (2, 64451527), (7, 18414722), (14, 9207361), (401, 321454), (802, 160727), (2807, 45922), (5614, 22961)]