28128618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{223243}}^1$

素因数の和:223258

約数の個数: 24

約数和(自身を含む): 69652128

約数和(自身を除く): 41523510

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 223243, 446486, 669729, 1339458, 1562701, 2009187, 3125402, 4018374, 4688103, 9376206, 14064309, 28128618]

約数ペア:

[(1, 28128618), (2, 14064309), (3, 9376206), (6, 4688103), (7, 4018374), (9, 3125402), (14, 2009187), (18, 1562701), (21, 1339458), (42, 669729), (63, 446486), (126, 223243)]