1918057687

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{1049}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 2404684800

約数和(自身を除く): 486627113

約数列:

[1, 7, 13, 71, 91, 283, 497, 923, 1049, 1981, 3679, 6461, 7343, 13637, 20093, 25753, 74479, 95459, 140651, 261209, 296867, 521353, 968227, 1828463, 2078069, 3859271, 6777589, 21077557, 27014897, 147542899, 274008241, 1918057687]

約数ペア:

[(1, 1918057687), (7, 274008241), (13, 147542899), (71, 27014897), (91, 21077557), (283, 6777589), (497, 3859271), (923, 2078069), (1049, 1828463), (1981, 968227), (3679, 521353), (6461, 296867), (7343, 261209), (13637, 140651), (20093, 95459), (25753, 74479)]