9963989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 12957696

約数和(自身を除く): 2993707

約数列:

[1, 7, 17, 31, 37, 73, 119, 217, 259, 511, 527, 629, 1147, 1241, 2263, 2701, 3689, 4403, 8029, 8687, 15841, 18907, 19499, 38471, 45917, 83731, 136493, 269297, 321419, 586117, 1423427, 9963989]

約数ペア:

[(1, 9963989), (7, 1423427), (17, 586117), (31, 321419), (37, 269297), (73, 136493), (119, 83731), (217, 45917), (259, 38471), (511, 19499), (527, 18907), (629, 15841), (1147, 8687), (1241, 8029), (2263, 4403), (2701, 3689)]