397156676

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199777}}^1$

素因数の和:199859

約数の個数: 24

約数和(自身を含む): 805504896

約数和(自身を除く): 408348220

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 199777, 399554, 799108, 1398439, 2796878, 5593756, 14184167, 28368334, 56736668, 99289169, 198578338, 397156676]

約数ペア:

[(1, 397156676), (2, 198578338), (4, 99289169), (7, 56736668), (14, 28368334), (28, 14184167), (71, 5593756), (142, 2796878), (284, 1398439), (497, 799108), (994, 399554), (1988, 199777)]