80921864

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{246713}}^1$

素因数の和:246760

約数の個数: 16

約数和(自身を含む): 155429820

約数和(自身を除く): 74507956

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 246713, 493426, 986852, 1973704, 10115233, 20230466, 40460932, 80921864]

約数ペア:

[(1, 80921864), (2, 40460932), (4, 20230466), (8, 10115233), (41, 1973704), (82, 986852), (164, 493426), (328, 246713)]