25468751

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 33758208

約数和(自身を除く): 8289457

約数列:

[1, 7, 11, 23, 73, 77, 161, 197, 253, 511, 803, 1379, 1679, 1771, 2167, 4531, 5621, 11753, 14381, 15169, 18469, 31717, 49841, 100667, 129283, 158191, 330763, 348887, 1107337, 2315341, 3638393, 25468751]

約数ペア:

[(1, 25468751), (7, 3638393), (11, 2315341), (23, 1107337), (73, 348887), (77, 330763), (161, 158191), (197, 129283), (253, 100667), (511, 49841), (803, 31717), (1379, 18469), (1679, 15169), (1771, 14381), (2167, 11753), (4531, 5621)]