78879489

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1871}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 120766464

約数和(自身を除く): 41886975

約数列:

[1, 3, 13, 23, 39, 47, 69, 141, 299, 611, 897, 1081, 1833, 1871, 3243, 5613, 14053, 24323, 42159, 43033, 72969, 87937, 129099, 263811, 559429, 1143181, 1678287, 2022551, 3429543, 6067653, 26293163, 78879489]

約数ペア:

[(1, 78879489), (3, 26293163), (13, 6067653), (23, 3429543), (39, 2022551), (47, 1678287), (69, 1143181), (141, 559429), (299, 263811), (611, 129099), (897, 87937), (1081, 72969), (1833, 43033), (1871, 42159), (3243, 24323), (5613, 14053)]