161808556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{444529}}^1$

素因数の和:444553

約数の個数: 24

約数和(自身を含む): 348511520

約数和(自身を除く): 186702964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 444529, 889058, 1778116, 3111703, 5778877, 6223406, 11557754, 12446812, 23115508, 40452139, 80904278, 161808556]

約数ペア:

[(1, 161808556), (2, 80904278), (4, 40452139), (7, 23115508), (13, 12446812), (14, 11557754), (26, 6223406), (28, 5778877), (52, 3111703), (91, 1778116), (182, 889058), (364, 444529)]