201212912

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{306727}}^1$

素因数の和:306776

約数の個数: 20

約数和(自身を含む): 399359856

約数和(自身を除く): 198146944

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 306727, 613454, 1226908, 2453816, 4907632, 12575807, 25151614, 50303228, 100606456, 201212912]

約数ペア:

[(1, 201212912), (2, 100606456), (4, 50303228), (8, 25151614), (16, 12575807), (41, 4907632), (82, 2453816), (164, 1226908), (328, 613454), (656, 306727)]