81796808

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{192917}}^1$

素因数の和:192976

約数の個数: 16

約数和(自身を含む): 156263580

約数和(自身を除く): 74466772

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 192917, 385834, 771668, 1543336, 10224601, 20449202, 40898404, 81796808]

約数ペア:

[(1, 81796808), (2, 40898404), (4, 20449202), (8, 10224601), (53, 1543336), (106, 771668), (212, 385834), (424, 192917)]