51139564

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 108881920

約数和(自身を除く): 57742356

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 97, 133, 194, 266, 388, 532, 679, 991, 1358, 1843, 1982, 2716, 3686, 3964, 6937, 7372, 12901, 13874, 18829, 25802, 27748, 37658, 51604, 75316, 96127, 131803, 192254, 263606, 384508, 527212, 672889, 1345778, 1826413, 2691556, 3652826, 7305652, 12784891, 25569782, 51139564]

約数ペア:

[(1, 51139564), (2, 25569782), (4, 12784891), (7, 7305652), (14, 3652826), (19, 2691556), (28, 1826413), (38, 1345778), (76, 672889), (97, 527212), (133, 384508), (194, 263606), (266, 192254), (388, 131803), (532, 96127), (679, 75316), (991, 51604), (1358, 37658), (1843, 27748), (1982, 25802), (2716, 18829), (3686, 13874), (3964, 12901), (6937, 7372)]