28403956

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4549}}^1$

素因数の和:4783

約数の個数: 24

約数和(自身を含む): 57075200

約数和(自身を除く): 28671244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 4549, 6244, 9098, 18196, 31843, 63686, 127372, 1014427, 2028854, 4057708, 7100989, 14201978, 28403956]

約数ペア:

[(1, 28403956), (2, 14201978), (4, 7100989), (7, 4057708), (14, 2028854), (28, 1014427), (223, 127372), (446, 63686), (892, 31843), (1561, 18196), (3122, 9098), (4549, 6244)]