31870267

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 39384576

約数和(自身を除く): 7514309

約数列:

[1, 11, 13, 43, 71, 73, 143, 473, 559, 781, 803, 923, 949, 3053, 3139, 5183, 6149, 10153, 10439, 33583, 34529, 39689, 40807, 57013, 67379, 222869, 436579, 448877, 741169, 2451559, 2897297, 31870267]

約数ペア:

[(1, 31870267), (11, 2897297), (13, 2451559), (43, 741169), (71, 448877), (73, 436579), (143, 222869), (473, 67379), (559, 57013), (781, 40807), (803, 39689), (923, 34529), (949, 33583), (3053, 10439), (3139, 10153), (5183, 6149)]