16981678

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{9551}}^1$

素因数の和:9687

約数の個数: 16

約数和(自身を含む): 29343744

約数和(自身を除く): 12362066

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 9551, 19102, 66857, 133714, 1212977, 2425954, 8490839, 16981678]

約数ペア:

[(1, 16981678), (2, 8490839), (7, 2425954), (14, 1212977), (127, 133714), (254, 66857), (889, 19102), (1778, 9551)]