78398815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 31087265

約数列:

[1, 5, 11, 17, 55, 85, 187, 191, 439, 935, 955, 2101, 2195, 3247, 4829, 7463, 10505, 16235, 24145, 35717, 37315, 82093, 83849, 178585, 410465, 419245, 922339, 1425433, 4611695, 7127165, 15679763, 78398815]

約数ペア:

[(1, 78398815), (5, 15679763), (11, 7127165), (17, 4611695), (55, 1425433), (85, 922339), (187, 419245), (191, 410465), (439, 178585), (935, 83849), (955, 82093), (2101, 37315), (2195, 35717), (3247, 24145), (4829, 16235), (7463, 10505)]