1618588517

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{587}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 2018618112

約数和(自身を除く): 400029595

約数列:

[1, 7, 13, 91, 157, 193, 587, 1099, 1351, 2041, 2509, 4109, 7631, 14287, 17563, 30301, 53417, 92159, 113291, 212107, 393913, 645113, 793037, 1198067, 1472783, 2757391, 8386469, 10309481, 17786687, 124506809, 231226931, 1618588517]

約数ペア:

[(1, 1618588517), (7, 231226931), (13, 124506809), (91, 17786687), (157, 10309481), (193, 8386469), (587, 2757391), (1099, 1472783), (1351, 1198067), (2041, 793037), (2509, 645113), (4109, 393913), (7631, 212107), (14287, 113291), (17563, 92159), (30301, 53417)]