81037784

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{15803}}^1$

素因数の和:16450

約数の個数: 16

約数和(自身を含む): 152192520

約数和(自身を除く): 71154736

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 15803, 31606, 63212, 126424, 10129723, 20259446, 40518892, 81037784]

約数ペア:

[(1, 81037784), (2, 40518892), (4, 20259446), (8, 10129723), (641, 126424), (1282, 63212), (2564, 31606), (5128, 15803)]