1280994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1$

素因数の和:1522

約数の個数: 32

約数和(自身を含む): 3011904

約数和(自身を除く): 1730910

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 1493, 2986, 4479, 8958, 16423, 19409, 32846, 38818, 49269, 58227, 98538, 116454, 213499, 426998, 640497, 1280994]

約数ペア:

[(1, 1280994), (2, 640497), (3, 426998), (6, 213499), (11, 116454), (13, 98538), (22, 58227), (26, 49269), (33, 38818), (39, 32846), (66, 19409), (78, 16423), (143, 8958), (286, 4479), (429, 2986), (858, 1493)]