209978146

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{36671}}^1$

素因数の和:37089

約数の個数: 16

約数和(自身を含む): 360852480

約数和(自身を除く): 150874334

約数列:

[1, 2, 7, 14, 409, 818, 2863, 5726, 36671, 73342, 256697, 513394, 14998439, 29996878, 104989073, 209978146]

約数ペア:

[(1, 209978146), (2, 104989073), (7, 29996878), (14, 14998439), (409, 513394), (818, 256697), (2863, 73342), (5726, 36671)]