81800212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1573081}}^1$

素因数の和:1573098

約数の個数: 12

約数和(自身を含む): 154162036

約数和(自身を除く): 72361824

約数列:

[1, 2, 4, 13, 26, 52, 1573081, 3146162, 6292324, 20450053, 40900106, 81800212]

約数ペア:

[(1, 81800212), (2, 40900106), (4, 20450053), (13, 6292324), (26, 3146162), (52, 1573081)]