207870404

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{21031}}^1$

素因数の和:21395

約数の個数: 24

約数和(自身を含む): 416938368

約数和(自身を除く): 209067964

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 2471, 4942, 9884, 21031, 42062, 84124, 147217, 294434, 588868, 7423943, 14847886, 29695772, 51967601, 103935202, 207870404]

約数ペア:

[(1, 207870404), (2, 103935202), (4, 51967601), (7, 29695772), (14, 14847886), (28, 7423943), (353, 588868), (706, 294434), (1412, 147217), (2471, 84124), (4942, 42062), (9884, 21031)]