28389798

素因数分解:

$2^1\times 3^3\times {\mathrm{263}}^1\times {\mathrm{1999}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 63360000

約数和(自身を除く): 34970202

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 263, 526, 789, 1578, 1999, 2367, 3998, 4734, 5997, 7101, 11994, 14202, 17991, 35982, 53973, 107946, 525737, 1051474, 1577211, 3154422, 4731633, 9463266, 14194899, 28389798]

約数ペア:

[(1, 28389798), (2, 14194899), (3, 9463266), (6, 4731633), (9, 3154422), (18, 1577211), (27, 1051474), (54, 525737), (263, 107946), (526, 53973), (789, 35982), (1578, 17991), (1999, 14202), (2367, 11994), (3998, 7101), (4734, 5997)]