80403778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2051

約数の個数: 48

約数和(自身を含む): 158112000

約数和(自身を除く): 77708222

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 169, 182, 221, 238, 338, 442, 1183, 1547, 1999, 2366, 2873, 3094, 3998, 5746, 13993, 20111, 25987, 27986, 33983, 40222, 51974, 67966, 181909, 237881, 337831, 363818, 441779, 475762, 675662, 883558, 2364817, 3092453, 4729634, 5743127, 6184906, 11486254, 40201889, 80403778]

約数ペア:

[(1, 80403778), (2, 40201889), (7, 11486254), (13, 6184906), (14, 5743127), (17, 4729634), (26, 3092453), (34, 2364817), (91, 883558), (119, 675662), (169, 475762), (182, 441779), (221, 363818), (238, 337831), (338, 237881), (442, 181909), (1183, 67966), (1547, 51974), (1999, 40222), (2366, 33983), (2873, 27986), (3094, 25987), (3998, 20111), (5746, 13993)]