2011779718

素因数分解:

$2^1\times {\mathrm{13}}^4\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:954

約数の個数: 40

約数和(自身を含む): 3352766760

約数和(自身を除く): 1340987042

約数列:

[1, 2, 13, 26, 41, 82, 169, 338, 533, 859, 1066, 1718, 2197, 4394, 6929, 11167, 13858, 22334, 28561, 35219, 57122, 70438, 90077, 145171, 180154, 290342, 457847, 915694, 1171001, 1887223, 2342002, 3774446, 5952011, 11904022, 24533899, 49067798, 77376143, 154752286, 1005889859, 2011779718]

約数ペア:

[(1, 2011779718), (2, 1005889859), (13, 154752286), (26, 77376143), (41, 49067798), (82, 24533899), (169, 11904022), (338, 5952011), (533, 3774446), (859, 2342002), (1066, 1887223), (1718, 1171001), (2197, 915694), (4394, 457847), (6929, 290342), (11167, 180154), (13858, 145171), (22334, 90077), (28561, 70438), (35219, 57122)]