256353377

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{463}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 324280320

約数和(自身を除く): 67926943

約数列:

[1, 7, 19, 23, 133, 161, 181, 437, 463, 1267, 3059, 3241, 3439, 4163, 8797, 10649, 24073, 29141, 61579, 74543, 79097, 83803, 202331, 553679, 586621, 1416317, 1592257, 1927469, 11145799, 13492283, 36621911, 256353377]

約数ペア:

[(1, 256353377), (7, 36621911), (19, 13492283), (23, 11145799), (133, 1927469), (161, 1592257), (181, 1416317), (437, 586621), (463, 553679), (1267, 202331), (3059, 83803), (3241, 79097), (3439, 74543), (4163, 61579), (8797, 29141), (10649, 24073)]