12389993

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 15934464

約数和(自身を除く): 3544471

約数列:

[1, 7, 11, 49, 77, 127, 181, 539, 889, 1267, 1397, 1991, 6223, 8869, 9779, 13937, 22987, 68453, 97559, 160909, 252857, 1126363, 1769999, 12389993]

約数ペア:

[(1, 12389993), (7, 1769999), (11, 1126363), (49, 252857), (77, 160909), (127, 97559), (181, 68453), (539, 22987), (889, 13937), (1267, 9779), (1397, 8869), (1991, 6223)]