2665016

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 5346000

約数和(自身を除く): 2680984

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 197, 356, 394, 712, 788, 1576, 1691, 3382, 3743, 6764, 7486, 13528, 14972, 17533, 29944, 35066, 70132, 140264, 333127, 666254, 1332508, 2665016]

約数ペア:

[(1, 2665016), (2, 1332508), (4, 666254), (8, 333127), (19, 140264), (38, 70132), (76, 35066), (89, 29944), (152, 17533), (178, 14972), (197, 13528), (356, 7486), (394, 6764), (712, 3743), (788, 3382), (1576, 1691)]