207128836

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{655471}}^1$

素因数の和:655554

約数の個数: 12

約数和(自身を含む): 367064320

約数和(自身を除く): 159935484

約数列:

[1, 2, 4, 79, 158, 316, 655471, 1310942, 2621884, 51782209, 103564418, 207128836]

約数ペア:

[(1, 207128836), (2, 103564418), (4, 51782209), (79, 2621884), (158, 1310942), (316, 655471)]