204958970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{6661}}^1$

素因数の和:6866

約数の個数: 32

約数和(自身を含む): 392844816

約数和(自身を除く): 187885846

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 181, 362, 905, 1810, 3077, 6154, 6661, 13322, 15385, 30770, 33305, 66610, 113237, 226474, 566185, 1132370, 1205641, 2411282, 6028205, 12056410, 20495897, 40991794, 102479485, 204958970]

約数ペア:

[(1, 204958970), (2, 102479485), (5, 40991794), (10, 20495897), (17, 12056410), (34, 6028205), (85, 2411282), (170, 1205641), (181, 1132370), (362, 566185), (905, 226474), (1810, 113237), (3077, 66610), (6154, 33305), (6661, 30770), (13322, 15385)]