28277851

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 35335440

約数和(自身を除く): 7057589

約数列:

[1, 7, 17, 49, 83, 119, 409, 581, 833, 1411, 2863, 4067, 6953, 9877, 20041, 33947, 48671, 69139, 237629, 340697, 577099, 1663403, 4039693, 28277851]

約数ペア:

[(1, 28277851), (7, 4039693), (17, 1663403), (49, 577099), (83, 340697), (119, 237629), (409, 69139), (581, 48671), (833, 33947), (1411, 20041), (2863, 9877), (4067, 6953)]