28802879

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12739}}^1$

素因数の和:12782

約数の個数: 16

約数和(自身を含む): 36691200

約数和(自身を除く): 7888321

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 12739, 89173, 216563, 242041, 1515941, 1694287, 4114697, 28802879]

約数ペア:

[(1, 28802879), (7, 4114697), (17, 1694287), (19, 1515941), (119, 242041), (133, 216563), (323, 89173), (2261, 12739)]