280711208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{4597}}^1$

素因数の和:5069

約数の個数: 32

約数和(自身を含む): 558657000

約数和(自身を除く): 277945792

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 449, 898, 1796, 3592, 4597, 7633, 9194, 15266, 18388, 30532, 36776, 61064, 78149, 156298, 312596, 625192, 2064053, 4128106, 8256212, 16512424, 35088901, 70177802, 140355604, 280711208]

約数ペア:

[(1, 280711208), (2, 140355604), (4, 70177802), (8, 35088901), (17, 16512424), (34, 8256212), (68, 4128106), (136, 2064053), (449, 625192), (898, 312596), (1796, 156298), (3592, 78149), (4597, 61064), (7633, 36776), (9194, 30532), (15266, 18388)]