2012204887

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{4421}}^1$

素因数の和:4719

約数の個数: 32

約数和(自身を含む): 2628578304

約数和(自身を除く): 616373417

約数列:

[1, 7, 11, 23, 77, 161, 253, 257, 1771, 1799, 2827, 4421, 5911, 19789, 30947, 41377, 48631, 65021, 101683, 340417, 455147, 711781, 1118513, 1136197, 7829591, 7953379, 12498167, 26132531, 87487169, 182927717, 287457841, 2012204887]

約数ペア:

[(1, 2012204887), (7, 287457841), (11, 182927717), (23, 87487169), (77, 26132531), (161, 12498167), (253, 7953379), (257, 7829591), (1771, 1136197), (1799, 1118513), (2827, 711781), (4421, 455147), (5911, 340417), (19789, 101683), (30947, 65021), (41377, 48631)]