187222981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 214488000

約数和(自身を除く): 27265019

約数列:

[1, 11, 31, 89, 199, 341, 961, 979, 2189, 2759, 6169, 10571, 17711, 30349, 67859, 85529, 191239, 194821, 549041, 940819, 2103629, 6039451, 17020271, 187222981]

約数ペア:

[(1, 187222981), (11, 17020271), (31, 6039451), (89, 2103629), (199, 940819), (341, 549041), (961, 194821), (979, 191239), (2189, 85529), (2759, 67859), (6169, 30349), (10571, 17711)]