28668444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7937}}^1$

素因数の和:7994

約数の個数: 48

約数和(自身を含む): 78236928

約数和(自身を除く): 49568484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 7937, 15874, 23811, 31748, 47622, 55559, 95244, 111118, 166677, 222236, 333354, 341291, 666708, 682582, 1023873, 1365164, 2047746, 2389037, 4095492, 4778074, 7167111, 9556148, 14334222, 28668444]

約数ペア:

[(1, 28668444), (2, 14334222), (3, 9556148), (4, 7167111), (6, 4778074), (7, 4095492), (12, 2389037), (14, 2047746), (21, 1365164), (28, 1023873), (42, 682582), (43, 666708), (84, 341291), (86, 333354), (129, 222236), (172, 166677), (258, 111118), (301, 95244), (516, 55559), (602, 47622), (903, 31748), (1204, 23811), (1806, 15874), (3612, 7937)]