128330426

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{22859}}^1$

素因数の和:23269

約数の個数: 16

約数和(自身を含む): 220553280

約数和(自身を除く): 92222854

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5614, 22859, 45718, 160013, 320026, 9166459, 18332918, 64165213, 128330426]

約数ペア:

[(1, 128330426), (2, 64165213), (7, 18332918), (14, 9166459), (401, 320026), (802, 160013), (2807, 45718), (5614, 22859)]