816404868

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{781997}}^1$

素因数の和:782036

約数の個数: 36

約数和(自身を含む): 2134854540

約数和(自身を除く): 1318449672

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 781997, 1563994, 2345991, 3127988, 4691982, 7037973, 9383964, 14075946, 22677913, 28151892, 45355826, 68033739, 90711652, 136067478, 204101217, 272134956, 408202434, 816404868]

約数ペア:

[(1, 816404868), (2, 408202434), (3, 272134956), (4, 204101217), (6, 136067478), (9, 90711652), (12, 68033739), (18, 45355826), (29, 28151892), (36, 22677913), (58, 14075946), (87, 9383964), (116, 7037973), (174, 4691982), (261, 3127988), (348, 2345991), (522, 1563994), (1044, 781997)]