205718989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{9551}}^1$

素因数の和:9756

約数の個数: 16

約数和(自身を含む): 250338816

約数和(自身を除く): 44619827

約数列:

[1, 7, 17, 119, 181, 1267, 3077, 9551, 21539, 66857, 162367, 1136569, 1728731, 12101117, 29388427, 205718989]

約数ペア:

[(1, 205718989), (7, 29388427), (17, 12101117), (119, 1728731), (181, 1136569), (1267, 162367), (3077, 66857), (9551, 21539)]