199671184

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{12517}}^1$

素因数の和:13522

約数の個数: 20

約数和(自身を含む): 387281884

約数和(自身を除く): 187610700

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 12517, 15952, 25034, 50068, 100136, 200272, 12479449, 24958898, 49917796, 99835592, 199671184]

約数ペア:

[(1, 199671184), (2, 99835592), (4, 49917796), (8, 24958898), (16, 12479449), (997, 200272), (1994, 100136), (3988, 50068), (7976, 25034), (12517, 15952)]