201298288

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{12619}}^1$

素因数の和:13624

約数の個数: 20

約数和(自身を含む): 390437560

約数和(自身を除く): 189139272

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 12619, 15952, 25238, 50476, 100952, 201904, 12581143, 25162286, 50324572, 100649144, 201298288]

約数ペア:

[(1, 201298288), (2, 100649144), (4, 50324572), (8, 25162286), (16, 12581143), (997, 201904), (1994, 100952), (3988, 50476), (7976, 25238), (12619, 15952)]