2649311

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 3184704

約数和(自身を除く): 535393

約数列:

[1, 7, 37, 53, 193, 259, 371, 1351, 1961, 7141, 10229, 13727, 49987, 71603, 378473, 2649311]

約数ペア:

[(1, 2649311), (7, 378473), (37, 71603), (53, 49987), (193, 13727), (259, 10229), (371, 7141), (1351, 1961)]