212173855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1663}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 287539200

約数和(自身を除く): 75365345

約数列:

[1, 5, 17, 19, 79, 85, 95, 323, 395, 1343, 1501, 1615, 1663, 6715, 7505, 8315, 25517, 28271, 31597, 127585, 131377, 141355, 157985, 537149, 656885, 2233409, 2496163, 2685745, 11167045, 12480815, 42434771, 212173855]

約数ペア:

[(1, 212173855), (5, 42434771), (17, 12480815), (19, 11167045), (79, 2685745), (85, 2496163), (95, 2233409), (323, 656885), (395, 537149), (1343, 157985), (1501, 141355), (1615, 131377), (1663, 127585), (6715, 31597), (7505, 28271), (8315, 25517)]