207355981

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1\times {\mathrm{1223}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 242175744

約数和(自身を除く): 34819763

約数列:

[1, 7, 53, 371, 457, 1223, 3199, 8561, 24221, 64819, 169547, 453733, 558911, 3912377, 29622283, 207355981]

約数ペア:

[(1, 207355981), (7, 29622283), (53, 3912377), (371, 558911), (457, 453733), (1223, 169547), (3199, 64819), (8561, 24221)]