81014775212

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1\times {\mathrm{41969}}^1$

素因数の和:43022

約数の個数: 48

約数和(自身を含む): 164484794880

約数和(自身を除く): 83470019668

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 971, 994, 1942, 1988, 3884, 6797, 13594, 27188, 41969, 68941, 83938, 137882, 167876, 275764, 293783, 482587, 587566, 965174, 1175132, 1930348, 2979799, 5959598, 11919196, 20858593, 40751899, 41717186, 81503798, 83434372, 163007596, 285263293, 570526586, 1141053172, 2893384829, 5786769658, 11573539316, 20253693803, 40507387606, 81014775212]

約数ペア:

[(1, 81014775212), (2, 40507387606), (4, 20253693803), (7, 11573539316), (14, 5786769658), (28, 2893384829), (71, 1141053172), (142, 570526586), (284, 285263293), (497, 163007596), (971, 83434372), (994, 81503798), (1942, 41717186), (1988, 40751899), (3884, 20858593), (6797, 11919196), (13594, 5959598), (27188, 2979799), (41969, 1930348), (68941, 1175132), (83938, 965174), (137882, 587566), (167876, 482587), (275764, 293783)]