81611935

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 28703585

約数列:

[1, 5, 19, 23, 41, 95, 115, 205, 437, 779, 911, 943, 2185, 3895, 4555, 4715, 17309, 17917, 20953, 37351, 86545, 89585, 104765, 186755, 398107, 709669, 859073, 1990535, 3548345, 4295365, 16322387, 81611935]

約数ペア:

[(1, 81611935), (5, 16322387), (19, 4295365), (23, 3548345), (41, 1990535), (95, 859073), (115, 709669), (205, 398107), (437, 186755), (779, 104765), (911, 89585), (943, 86545), (2185, 37351), (3895, 20953), (4555, 17917), (4715, 17309)]