1389188059

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1123}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 1709199360

約数和(自身を除く): 320011301

約数列:

[1, 7, 19, 71, 131, 133, 497, 917, 1123, 1349, 2489, 7861, 9301, 9443, 17423, 21337, 65107, 79733, 147113, 149359, 176719, 558131, 1029791, 1237033, 1514927, 2795147, 10445023, 10604489, 19566029, 73115161, 198455437, 1389188059]

約数ペア:

[(1, 1389188059), (7, 198455437), (19, 73115161), (71, 19566029), (131, 10604489), (133, 10445023), (497, 2795147), (917, 1514927), (1123, 1237033), (1349, 1029791), (2489, 558131), (7861, 176719), (9301, 149359), (9443, 147113), (17423, 79733), (21337, 65107)]