131796304

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{200909}}^1$

素因数の和:200958

約数の個数: 20

約数和(自身を含む): 261584820

約数和(自身を除く): 129788516

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 200909, 401818, 803636, 1607272, 3214544, 8237269, 16474538, 32949076, 65898152, 131796304]

約数ペア:

[(1, 131796304), (2, 65898152), (4, 32949076), (8, 16474538), (16, 8237269), (41, 3214544), (82, 1607272), (164, 803636), (328, 401818), (656, 200909)]