27991414

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 21650570

約数列:

[1, 2, 11, 22, 23, 46, 47, 94, 107, 121, 214, 242, 253, 506, 517, 1034, 1081, 1177, 2162, 2354, 2461, 2783, 4922, 5029, 5566, 5687, 10058, 11374, 11891, 12947, 23782, 25894, 27071, 54142, 55319, 110638, 115667, 130801, 231334, 261602, 297781, 595562, 608509, 1217018, 1272337, 2544674, 13995707, 27991414]

約数ペア:

[(1, 27991414), (2, 13995707), (11, 2544674), (22, 1272337), (23, 1217018), (46, 608509), (47, 595562), (94, 297781), (107, 261602), (121, 231334), (214, 130801), (242, 115667), (253, 110638), (506, 55319), (517, 54142), (1034, 27071), (1081, 25894), (1177, 23782), (2162, 12947), (2354, 11891), (2461, 11374), (2783, 10058), (4922, 5687), (5029, 5566)]