28278276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10663}}^1$

素因数の和:10700

約数の個数: 48

約数和(自身を含む): 75245184

約数和(自身を除く): 46966908

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 10663, 21326, 31989, 42652, 63978, 127956, 138619, 181271, 277238, 362542, 415857, 543813, 554476, 725084, 831714, 1087626, 1663428, 2175252, 2356523, 4713046, 7069569, 9426092, 14139138, 28278276]

約数ペア:

[(1, 28278276), (2, 14139138), (3, 9426092), (4, 7069569), (6, 4713046), (12, 2356523), (13, 2175252), (17, 1663428), (26, 1087626), (34, 831714), (39, 725084), (51, 554476), (52, 543813), (68, 415857), (78, 362542), (102, 277238), (156, 181271), (204, 138619), (221, 127956), (442, 63978), (663, 42652), (884, 31989), (1326, 21326), (2652, 10663)]