2491291

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 16

約数和(自身を含む): 2914560

約数和(自身を除く): 423269

約数列:

[1, 11, 23, 43, 229, 253, 473, 989, 2519, 5267, 9847, 10879, 57937, 108317, 226481, 2491291]

約数ペア:

[(1, 2491291), (11, 226481), (23, 108317), (43, 57937), (229, 10879), (253, 9847), (473, 5267), (989, 2519)]