1999121192

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{5021}}^1$

素因数の和:5501

約数の個数: 32

約数和(自身を含む): 3784880520

約数和(自身を除く): 1785759328

約数列:

[1, 2, 4, 8, 157, 314, 317, 628, 634, 1256, 1268, 2536, 5021, 10042, 20084, 40168, 49769, 99538, 199076, 398152, 788297, 1576594, 1591657, 3153188, 3183314, 6306376, 6366628, 12733256, 249890149, 499780298, 999560596, 1999121192]

約数ペア:

[(1, 1999121192), (2, 999560596), (4, 499780298), (8, 249890149), (157, 12733256), (314, 6366628), (317, 6306376), (628, 3183314), (634, 3153188), (1256, 1591657), (1268, 1576594), (2536, 788297), (5021, 398152), (10042, 199076), (20084, 99538), (40168, 49769)]