2581556

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 4730880

約数和(自身を除く): 2149324

約数列:

[1, 2, 4, 31, 62, 109, 124, 191, 218, 382, 436, 764, 3379, 5921, 6758, 11842, 13516, 20819, 23684, 41638, 83276, 645389, 1290778, 2581556]

約数ペア:

[(1, 2581556), (2, 1290778), (4, 645389), (31, 83276), (62, 41638), (109, 23684), (124, 20819), (191, 13516), (218, 11842), (382, 6758), (436, 5921), (764, 3379)]