81254246

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{1621}}^1$

素因数の和:2047

約数の個数: 16

約数和(自身を含む): 124024608

約数和(自身を除く): 42770362

約数列:

[1, 2, 71, 142, 353, 706, 1621, 3242, 25063, 50126, 115091, 230182, 572213, 1144426, 40627123, 81254246]

約数ペア:

[(1, 81254246), (2, 40627123), (71, 1144426), (142, 572213), (353, 230182), (706, 115091), (1621, 50126), (3242, 25063)]