28267428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{691}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 75643904

約数和(自身を除く): 47376476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 487, 691, 974, 1382, 1461, 1948, 2073, 2764, 2922, 3409, 4146, 4837, 5844, 6818, 8292, 9674, 10227, 13636, 14511, 19348, 20454, 29022, 40908, 58044, 336517, 673034, 1009551, 1346068, 2019102, 2355619, 4038204, 4711238, 7066857, 9422476, 14133714, 28267428]

約数ペア:

[(1, 28267428), (2, 14133714), (3, 9422476), (4, 7066857), (6, 4711238), (7, 4038204), (12, 2355619), (14, 2019102), (21, 1346068), (28, 1009551), (42, 673034), (84, 336517), (487, 58044), (691, 40908), (974, 29022), (1382, 20454), (1461, 19348), (1948, 14511), (2073, 13636), (2764, 10227), (2922, 9674), (3409, 8292), (4146, 6818), (4837, 5844)]