201994864

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{307919}}^1$

素因数の和:307968

約数の個数: 20

約数和(自身を含む): 400911840

約数和(自身を除く): 198916976

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 307919, 615838, 1231676, 2463352, 4926704, 12624679, 25249358, 50498716, 100997432, 201994864]

約数ペア:

[(1, 201994864), (2, 100997432), (4, 50498716), (8, 25249358), (16, 12624679), (41, 4926704), (82, 2463352), (164, 1231676), (328, 615838), (656, 307919)]