28002788

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1304

約数の個数: 36

約数和(自身を含む): 55055616

約数和(自身を除く): 27052828

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 242, 484, 517, 1034, 1231, 2068, 2462, 4924, 5687, 11374, 13541, 22748, 27082, 54164, 57857, 115714, 148951, 231428, 297902, 595804, 636427, 1272854, 2545708, 7000697, 14001394, 28002788]

約数ペア:

[(1, 28002788), (2, 14001394), (4, 7000697), (11, 2545708), (22, 1272854), (44, 636427), (47, 595804), (94, 297902), (121, 231428), (188, 148951), (242, 115714), (484, 57857), (517, 54164), (1034, 27082), (1231, 22748), (2068, 13541), (2462, 11374), (4924, 5687)]