40395906

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 90574848

約数和(自身を除く): 50178942

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 127, 246, 254, 369, 381, 431, 738, 762, 862, 1143, 1293, 2286, 2586, 3879, 5207, 7758, 10414, 15621, 17671, 31242, 35342, 46863, 53013, 54737, 93726, 106026, 109474, 159039, 164211, 318078, 328422, 492633, 985266, 2244217, 4488434, 6732651, 13465302, 20197953, 40395906]

約数ペア:

[(1, 40395906), (2, 20197953), (3, 13465302), (6, 6732651), (9, 4488434), (18, 2244217), (41, 985266), (82, 492633), (123, 328422), (127, 318078), (246, 164211), (254, 159039), (369, 109474), (381, 106026), (431, 93726), (738, 54737), (762, 53013), (862, 46863), (1143, 35342), (1293, 31242), (2286, 17671), (2586, 15621), (3879, 10414), (5207, 7758)]