2624144

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:818

約数の個数: 20

約数和(自身を含む): 5109420

約数和(自身を除く): 2485276

約数列:

[1, 2, 4, 8, 16, 401, 409, 802, 818, 1604, 1636, 3208, 3272, 6416, 6544, 164009, 328018, 656036, 1312072, 2624144]

約数ペア:

[(1, 2624144), (2, 1312072), (4, 656036), (8, 328018), (16, 164009), (401, 6544), (409, 6416), (802, 3272), (818, 3208), (1604, 1636)]