2661920072

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1\times {\mathrm{1129}}^1$

素因数の和:1806

約数の個数: 64

約数和(自身を含む): 5799340800

約数和(自身を除く): 3137420728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 593, 994, 1129, 1186, 1988, 2258, 2372, 3976, 4151, 4516, 4744, 7903, 8302, 9032, 15806, 16604, 31612, 33208, 42103, 63224, 80159, 84206, 160318, 168412, 294721, 320636, 336824, 561113, 589442, 641272, 669497, 1122226, 1178884, 1338994, 2244452, 2357768, 2677988, 4488904, 4686479, 5355976, 9372958, 18745916, 37491832, 47534287, 95068574, 190137148, 332740009, 380274296, 665480018, 1330960036, 2661920072]

約数ペア:

[(1, 2661920072), (2, 1330960036), (4, 665480018), (7, 380274296), (8, 332740009), (14, 190137148), (28, 95068574), (56, 47534287), (71, 37491832), (142, 18745916), (284, 9372958), (497, 5355976), (568, 4686479), (593, 4488904), (994, 2677988), (1129, 2357768), (1186, 2244452), (1988, 1338994), (2258, 1178884), (2372, 1122226), (3976, 669497), (4151, 641272), (4516, 589442), (4744, 561113), (7903, 336824), (8302, 320636), (9032, 294721), (15806, 168412), (16604, 160318), (31612, 84206), (33208, 80159), (42103, 63224)]