857864788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 1657454400

約数和(自身を除く): 799589612

約数列:

[1, 2, 4, 11, 22, 44, 173, 251, 346, 449, 502, 692, 898, 1004, 1796, 1903, 2761, 3806, 4939, 5522, 7612, 9878, 11044, 19756, 43423, 77677, 86846, 112699, 155354, 173692, 225398, 310708, 450796, 477653, 854447, 955306, 1239689, 1708894, 1910612, 2479378, 3417788, 4958756, 19496927, 38993854, 77987708, 214466197, 428932394, 857864788]

約数ペア:

[(1, 857864788), (2, 428932394), (4, 214466197), (11, 77987708), (22, 38993854), (44, 19496927), (173, 4958756), (251, 3417788), (346, 2479378), (449, 1910612), (502, 1708894), (692, 1239689), (898, 955306), (1004, 854447), (1796, 477653), (1903, 450796), (2761, 310708), (3806, 225398), (4939, 173692), (5522, 155354), (7612, 112699), (9878, 86846), (11044, 77677), (19756, 43423)]