2840426

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:397

約数の個数: 16

約数和(自身を含む): 4390848

約数和(自身を除く): 1550422

約数列:

[1, 2, 71, 83, 142, 166, 241, 482, 5893, 11786, 17111, 20003, 34222, 40006, 1420213, 2840426]

約数ペア:

[(1, 2840426), (2, 1420213), (71, 40006), (83, 34222), (142, 20003), (166, 17111), (241, 11786), (482, 5893)]