201890941

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 261734400

約数和(自身を除く): 59843459

約数列:

[1, 7, 19, 23, 31, 133, 161, 217, 437, 589, 713, 2129, 3059, 4123, 4991, 13547, 14903, 40451, 48967, 65999, 94829, 283157, 342769, 461993, 930373, 1253981, 1517977, 6512611, 8777867, 10625839, 28841563, 201890941]

約数ペア:

[(1, 201890941), (7, 28841563), (19, 10625839), (23, 8777867), (31, 6512611), (133, 1517977), (161, 1253981), (217, 930373), (437, 461993), (589, 342769), (713, 283157), (2129, 94829), (3059, 65999), (4123, 48967), (4991, 40451), (13547, 14903)]