2581663

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 3283200

約数和(自身を除く): 701537

約数列:

[1, 7, 19, 47, 49, 59, 133, 329, 413, 893, 931, 1121, 2303, 2773, 2891, 6251, 7847, 19411, 43757, 52687, 54929, 135877, 368809, 2581663]

約数ペア:

[(1, 2581663), (7, 368809), (19, 135877), (47, 54929), (49, 52687), (59, 43757), (133, 19411), (329, 7847), (413, 6251), (893, 2891), (931, 2773), (1121, 2303)]