28405112

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 55313280

約数和(自身を除く): 26908168

約数列:

[1, 2, 4, 8, 43, 71, 86, 142, 172, 284, 344, 568, 1163, 2326, 3053, 4652, 6106, 9304, 12212, 24424, 50009, 82573, 100018, 165146, 200036, 330292, 400072, 660584, 3550639, 7101278, 14202556, 28405112]

約数ペア:

[(1, 28405112), (2, 14202556), (4, 7101278), (8, 3550639), (43, 660584), (71, 400072), (86, 330292), (142, 200036), (172, 165146), (284, 100018), (344, 82573), (568, 50009), (1163, 24424), (2326, 12212), (3053, 9304), (4652, 6106)]