81511604

素因数分解:

$2^2\times {\mathrm{809}}^1\times {\mathrm{25189}}^1$

素因数の和:26002

約数の個数: 12

約数和(自身を含む): 142827300

約数和(自身を除く): 61315696

約数列:

[1, 2, 4, 809, 1618, 3236, 25189, 50378, 100756, 20377901, 40755802, 81511604]

約数ペア:

[(1, 81511604), (2, 40755802), (4, 20377901), (809, 100756), (1618, 50378), (3236, 25189)]