1972909484

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{20149}}^1$

素因数の和:20442

約数の個数: 48

約数和(自身を含む): 4265352000

約数和(自身を除く): 2292442516

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 269, 364, 538, 1076, 1883, 3497, 3766, 6994, 7532, 13988, 20149, 24479, 40298, 48958, 80596, 97916, 141043, 261937, 282086, 523874, 564172, 1047748, 1833559, 3667118, 5420081, 7334236, 10840162, 21680324, 37940567, 70461053, 75881134, 140922106, 151762268, 281844212, 493227371, 986454742, 1972909484]

約数ペア:

[(1, 1972909484), (2, 986454742), (4, 493227371), (7, 281844212), (13, 151762268), (14, 140922106), (26, 75881134), (28, 70461053), (52, 37940567), (91, 21680324), (182, 10840162), (269, 7334236), (364, 5420081), (538, 3667118), (1076, 1833559), (1883, 1047748), (3497, 564172), (3766, 523874), (6994, 282086), (7532, 261937), (13988, 141043), (20149, 97916), (24479, 80596), (40298, 48958)]