161109008

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{245593}}^1$

素因数の和:245642

約数の個数: 20

約数和(自身を含む): 319763388

約数和(自身を除く): 158654380

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 245593, 491186, 982372, 1964744, 3929488, 10069313, 20138626, 40277252, 80554504, 161109008]

約数ペア:

[(1, 161109008), (2, 80554504), (4, 40277252), (8, 20138626), (16, 10069313), (41, 3929488), (82, 1964744), (164, 982372), (328, 491186), (656, 245593)]