2857461.00000000

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 115579872

約数和(自身を除く): 46482338

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 257, 514, 1111, 1331, 2222, 2662, 2827, 5654, 12221, 24442, 25957, 31097, 51914, 62194, 134431, 268862, 285527, 342067, 571054, 684134, 3140797, 6281594, 34548767, 69097534]

約数ペア:

[(1, 69097534), (2, 34548767), (11, 6281594), (22, 3140797), (101, 684134), (121, 571054), (202, 342067), (242, 285527), (257, 268862), (514, 134431), (1111, 62194), (1331, 51914), (2222, 31097), (2662, 25957), (2827, 24442), (5654, 12221)]