81254986

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{3217}}^1$

素因数の和:3465

約数の個数: 16

約数和(自身を含む): 124304904

約数和(自身を除く): 43049918

約数列:

[1, 2, 73, 146, 173, 346, 3217, 6434, 12629, 25258, 234841, 469682, 556541, 1113082, 40627493, 81254986]

約数ペア:

[(1, 81254986), (2, 40627493), (73, 1113082), (146, 556541), (173, 469682), (346, 234841), (3217, 25258), (6434, 12629)]