28455814236

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{1321}}^1$

素因数の和:1723

約数の個数: 96

約数和(自身を含む): 68249212416

約数和(自身を除く): 39793398180

約数列:

[1, 2, 3, 4, 6, 12, 71, 131, 142, 193, 213, 262, 284, 386, 393, 426, 524, 579, 772, 786, 852, 1158, 1321, 1572, 2316, 2642, 3963, 5284, 7926, 9301, 13703, 15852, 18602, 25283, 27406, 27903, 37204, 41109, 50566, 54812, 55806, 75849, 82218, 93791, 101132, 111612, 151698, 164436, 173051, 187582, 254953, 281373, 303396, 346102, 375164, 509906, 519153, 562746, 692204, 764859, 1019812, 1038306, 1125492, 1529718, 1795093, 2076612, 3059436, 3590186, 5385279, 7180372, 10770558, 12286621, 18101663, 21541116, 24573242, 33398843, 36203326, 36859863, 49146484, 54304989, 66797686, 72406652, 73719726, 100196529, 108609978, 133595372, 147439452, 200393058, 217219956, 400786116, 2371317853, 4742635706, 7113953559, 9485271412, 14227907118, 28455814236]

約数ペア:

[(1, 28455814236), (2, 14227907118), (3, 9485271412), (4, 7113953559), (6, 4742635706), (12, 2371317853), (71, 400786116), (131, 217219956), (142, 200393058), (193, 147439452), (213, 133595372), (262, 108609978), (284, 100196529), (386, 73719726), (393, 72406652), (426, 66797686), (524, 54304989), (579, 49146484), (772, 36859863), (786, 36203326), (852, 33398843), (1158, 24573242), (1321, 21541116), (1572, 18101663), (2316, 12286621), (2642, 10770558), (3963, 7180372), (5284, 5385279), (7926, 3590186), (9301, 3059436), (13703, 2076612), (15852, 1795093), (18602, 1529718), (25283, 1125492), (27406, 1038306), (27903, 1019812), (37204, 764859), (41109, 692204), (50566, 562746), (54812, 519153), (55806, 509906), (75849, 375164), (82218, 346102), (93791, 303396), (101132, 281373), (111612, 254953), (151698, 187582), (164436, 173051)]