161688890885

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1\times {\mathrm{1381307}}^1$

素因数の和:1381924

約数の個数: 16

約数和(自身を含む): 199107260352

約数和(自身を除く): 37418369467

約数列:

[1, 5, 41, 205, 571, 2855, 23411, 117055, 1381307, 6906535, 56633587, 283167935, 788726297, 3943631485, 32337778177, 161688890885]

約数ペア:

[(1, 161688890885), (5, 32337778177), (41, 3943631485), (205, 788726297), (571, 283167935), (2855, 56633587), (23411, 6906535), (117055, 1381307)]