22105139

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 28114944

約数和(自身を除く): 6009805

約数列:

[1, 7, 23, 31, 43, 103, 161, 217, 301, 713, 721, 989, 1333, 2369, 3193, 4429, 4991, 6923, 9331, 16583, 22351, 30659, 31003, 73439, 101867, 137299, 214613, 514073, 713069, 961093, 3157877, 22105139]

約数ペア:

[(1, 22105139), (7, 3157877), (23, 961093), (31, 713069), (43, 514073), (103, 214613), (161, 137299), (217, 101867), (301, 73439), (713, 31003), (721, 30659), (989, 22351), (1333, 16583), (2369, 9331), (3193, 6923), (4429, 4991)]