12618919105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{63589}}^1$

素因数の和:63721

約数の個数: 32

約数和(自身を含む): 16922062080

約数和(自身を除く): 4303142975

約数列:

[1, 5, 13, 43, 65, 71, 215, 355, 559, 923, 2795, 3053, 4615, 15265, 39689, 63589, 198445, 317945, 826657, 2734327, 4133285, 4514819, 13671635, 22574095, 35546251, 58692647, 177731255, 194137217, 293463235, 970686085, 2523783821, 12618919105]

約数ペア:

[(1, 12618919105), (5, 2523783821), (13, 970686085), (43, 293463235), (65, 194137217), (71, 177731255), (215, 58692647), (355, 35546251), (559, 22574095), (923, 13671635), (2795, 4514819), (3053, 4133285), (4615, 2734327), (15265, 826657), (39689, 317945), (63589, 198445)]