401026136

素因数分解:

$2^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{17509}}^1$

素因数の和:17931

約数の個数: 32

約数和(自身を含む): 861492000

約数和(自身を除く): 460465864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 409, 818, 1636, 2863, 3272, 5726, 11452, 17509, 22904, 35018, 70036, 122563, 140072, 245126, 490252, 980504, 7161181, 14322362, 28644724, 50128267, 57289448, 100256534, 200513068, 401026136]

約数ペア:

[(1, 401026136), (2, 200513068), (4, 100256534), (7, 57289448), (8, 50128267), (14, 28644724), (28, 14322362), (56, 7161181), (409, 980504), (818, 490252), (1636, 245126), (2863, 140072), (3272, 122563), (5726, 70036), (11452, 35018), (17509, 22904)]