28206556

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6257}}^1$

素因数の和:6298

約数の個数: 36

約数和(自身を含む): 59926608

約数和(自身を除く): 31720052

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 6257, 12514, 25028, 43799, 87598, 143911, 175196, 287822, 306593, 575644, 613186, 1007377, 1226372, 2014754, 4029508, 7051639, 14103278, 28206556]

約数ペア:

[(1, 28206556), (2, 14103278), (4, 7051639), (7, 4029508), (14, 2014754), (23, 1226372), (28, 1007377), (46, 613186), (49, 575644), (92, 306593), (98, 287822), (161, 175196), (196, 143911), (322, 87598), (644, 43799), (1127, 25028), (2254, 12514), (4508, 6257)]