127920328

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{390001}}^1$

素因数の和:390048

約数の個数: 16

約数和(自身を含む): 245701260

約数和(自身を除く): 117780932

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 390001, 780002, 1560004, 3120008, 15990041, 31980082, 63960164, 127920328]

約数ペア:

[(1, 127920328), (2, 63960164), (4, 31980082), (8, 15990041), (41, 3120008), (82, 1560004), (164, 780002), (328, 390001)]