12939245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7589}}^1$

素因数の和:7636

約数の個数: 16

約数和(自身を含む): 17487360

約数和(自身を除く): 4548115

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 7589, 37945, 83479, 235259, 417395, 1176295, 2587849, 12939245]

約数ペア:

[(1, 12939245), (5, 2587849), (11, 1176295), (31, 417395), (55, 235259), (155, 83479), (341, 37945), (1705, 7589)]