28391304

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{4603}}^1$

素因数の和:4869

約数の個数: 32

約数和(自身を含む): 71269920

約数和(自身を除く): 42878616

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 4603, 6168, 9206, 13809, 18412, 27618, 36824, 55236, 110472, 1182971, 2365942, 3548913, 4731884, 7097826, 9463768, 14195652, 28391304]

約数ペア:

[(1, 28391304), (2, 14195652), (3, 9463768), (4, 7097826), (6, 4731884), (8, 3548913), (12, 2365942), (24, 1182971), (257, 110472), (514, 55236), (771, 36824), (1028, 27618), (1542, 18412), (2056, 13809), (3084, 9206), (4603, 6168)]